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#include<bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for (int i = (a); i < (b); i++)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define ST first
#define ND second
#define PB push_back
using ll = long long;
using ld = long double;
using pi = pair<int,int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using pll=pair<ll,ll>;

#ifdef LOCAL
#define DTP(x, y)                                    \
    auto operator<<(auto &o, auto a)->decltype(y, o) \
    {                                                \
        o << "(";                                    \
        x;                                           \
        return o << ")";                             \
    }
DTP(o << a.first << ", " << a.second, a.second);
DTP(for (auto i : a) o << i << ", ", all(a));
void dump(auto... x) { ((cerr << x << ", "), ...) << '\n'; }
#define debug(x...) cerr << setw(4) << __LINE__ << ":[" #x "]: ", dump(x)
#else
#define debug(...) 0
#endif

const ll P=1000'000'007;

struct node{
    ll b;
    int l, r;
    vll A;
    node(int x, int y, int z){
        l=r=x;
        A.resize(1, y);
        b=z;
    }
};

ll fPow(ll a, ll b){
    if(!b)
        return 1;
    if(b&1)
        return (fPow(a, b-1)*a)%P;
    ll c=fPow(a, b/2);
    return (c*c)%P;
}

pair<ll,ll> Inv(pair<ll,ll> a){
    pair<ll,ll> t;
    t.ST=fPow(a.ST, P-2);
    t.ND=(t.ST*a.ND)%P;
    t.ND=(P-t.ND)%P;
    return t;
}

pair<ll,ll> Conv(pair<ll,ll> a, pair<ll,ll> b){
    pair<ll,ll> t;
    t.ST=(a.ST*b.ST)%P;
    t.ND=(a.ST*b.ND+a.ND)%P;
    return t;
}

void Solve()
{
    int n, q;
    cin >> n >> q;
    vector<node> D;
    vi Where(n);
    vi Non_zero(n);
    vector<pair<ll,ll>> B(n);
    rep(i, 0, n){
        int a, b;
        cin >> a >> b;
        B[i].ST=b;
        B[i].ND=a;
        if(i==0 || b>0 || D.back().b>0){
            D.PB(node(i, a, b));
        }else{
            ++D.back().r;
            D.back().A.PB(D.back().A.back()+a);
        }
        Where[i]=sz(D)-1;
    }
    Non_zero[n-1]=Where[n-1];
    for(int i=n-2; i>=0; --i){
        Non_zero[i]=Non_zero[i+1];
        if((D[Where[i]].l==i && D[Where[i]].A.back()>0) || ( D[Where[i]].l>i && D[Where[i]].A.back()-D[Where[i]].A[i-D[Where[i]].l-1]>0))
            Non_zero[i]=Where[i];
    }
    vector<pair<ll,ll>> Pref(n);
    rep(i, 0, n){
        if(B[i].ST>1)
            B[i].ND=0;
    }
    Pref[0]=B[0];
    rep(i, 1, n)
        Pref[i]=Conv(B[i], Pref[i-1]);
    rep(i, 0, q){
        ll x;
        int l, r;
        cin >> x >> l >> r;
        --r;
        int c=Where[l];
        if(x==0){
            c=Non_zero[l];
        }
        bool BIG=false;
        while(c<=Where[r] && !BIG){
            if(D[c].r<=r){
                if(D[c].l>=l)
                    x=max(x+D[c].A.back(), x*D[c].b);
                else
                    x=max(x+D[c].A.back()-D[c].A[l-D[c].l-1], x*D[c].b);
            }else{
                if(D[c].l>=l)
                    x+=D[c].A[r-D[c].l];
                else
                    x+=(D[c].A[r-D[c].l]-D[c].A[l-D[c].l-1]);
            }
            if(x>=P){
                x%=P;
                BIG=true;
            }
            ++c;
        }
        if(c==sz(D) || D[c].l>r){
            cout << x << "\n";
            continue;
        }
        int d=D[c].l;
        pair<ll,ll> t=pair<ll,ll>(1, 0);
        if(d>0){
            t=Inv(Pref[d-1]);
        }
        pair<ll,ll> t2=Conv(Pref[r], t);
        x=(t2.ST*x+t2.ND)%P;
        cout << x << "\n";
    }
    return;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t=1;
    // cin >> t;
    while(t--)
    {
        Solve();
    }
    return 0;
}