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#pragma GCC optimize("O3")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
//using namespace __gnu_pbds;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using str = string;
 
//typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> oset;

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
 
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}"; }
void _print() { cerr << "]\n"; }

template <typename T, typename... V>
void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); }

#ifdef LOCAL
#define debug(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define debug(x...)
#endif

const ll mod = 1e9+7;
const ll infi  = 1e18+1;
const ld eps = 1e-14L;

ll mypow(ll a, ll b){
    if(b==0) return 1LL;
    ll x = mypow(a, b/2) % mod;
    if(b%2==1) return x * x % mod * a % mod;
    else return x * x % mod;
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll n, q; cin >> n >> q;
    vector<ll> a(n), b(n), c(n), d(n), pref(n);
    for(ll i=0;i<n;i++){
        cin >> a[i] >> b[i];
        pref[i] = a[i];
        if(i) pref[i] += pref[i-1];
        c[i] = (b[i] > 1LL ? b[i] : 1);
        d[i] = (b[i] > 1LL ? 0 : a[i]);
    }

    auto calc = [&](ll l, ll r) -> ll {
        if(l > r) return 0LL;
        return pref[r] - (l == 0 ? 0 : pref[l-1]);
    };

    ll last = n;
    vector<ll> nxt(n);
    for(ll i=n-1;i>=0;i--){
        if(b[i] > 1LL) last = i;
        nxt[i] = last;
    }

    // ll base = 1;
    // while(base < n) base *= 2;
    // pair<ll,ll> neutral = {1LL, 0LL};
    // vector<pair<ll, ll>> tree(base*2, neutral);
    
    // auto comb = [&](pair<ll, ll> &x, pair<ll, ll> &y) -> pair<ll, ll> {
    //     return {x.first * y.first % mod, x.second * y.first % mod + y.second % mod};
    // };

    // for(ll i=0;i<n;i++){
    //     if(b[i] > 1LL) tree[i+base] = {b[i], 0LL};
    //     else tree[i+base] = {1LL, a[i]};
    // }

    // for(ll i=base-1;i>=0;i--){
    //     tree[i] = comb(tree[i*2], tree[i*2+1]);
    // }

    // auto que = [&](ll l, ll r, ll x) -> ll {
    //     auto resl = neutral, resr = neutral;
    //     l += base - 1; r += base + 1;
    //     while(l/2 != r/2){
    //         if(l % 2 == 0) resl = comb(resl, tree[l+1]);
    //         if(r % 2 == 1) resr = comb(tree[r-1], resr);
    //         l/=2; r/=2;
    //     }
    //     resl = comb(resl, resr);
    //     debug(resl);
    //     return x * resl.first % mod + resl.second % mod; 
    // };

    vector<ll> prefm(n+1), prefc(n+1), inv(n+1);
    prefm[0] = 1;
    for(ll i=1;i<=n;i++){
        prefm[i] = prefm[i-1] * c[i-1] % mod;
        prefc[i] = prefc[i-1] * c[i-1] % mod;
        prefc[i] += d[i-1]; prefc[i] %= mod;
    }
    inv[n] = mypow(prefm[n], mod-2);
    for(ll i=n-1;i>=0;i--){
        inv[i] = inv[i+1] * c[i] % mod; 
    }

    auto que = [&](ll l, ll r, ll x) -> ll {
        r++;
        ll mul = prefm[r] * inv[l] % mod;
        ll c = (prefc[r] - (mul * prefc[l] % mod)) % mod;
        c += mod; c %= mod;
        return (mul * x % mod + c) % mod;
    };

    while(q--){
        ll x, l, r; cin >> x >> l >> r; r--;
        bool git = false;
        while(l <= r){
            //debug("start", l, x);
            if(git){
                x = que(l, r, x);
                break;
            }
            x += calc(l, min(nxt[l] - 1, r));
            if(min(nxt[l] - 1, r) == r){
                break;
            }
            l = nxt[l];
            if(x >= mod){
                x %= mod;
                git = true;
                continue;
            }
            x = max(x + a[l], x*b[l]);
            l++;
            if(x>=mod){
                x %= mod;
                git = true;
            }
            //debug("finish", l, x);
        }
        cout << x % mod << '\n';
    }

    return 0;
}