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#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define ST first
#define ND second
#define SIZE(a) ((int)a.size())

bool solve() {
    int n;
    cin >> n;
    string start, end;
    cin >> start >> end;
    int ones=0, zeros=0;
    for(char c : start) {
        if(c == '1') {
            ones++;
        } else {
            zeros++;
        }
    }
    vector<int> deg(n);
    bool one_color_edge = false;
    int max_deg = 0;
    vector<vector<int>> v(n);
    for(int i=0; i < n-1; i++) {
        int a, b;
        cin >> a >> b;
        a--;
        b--;
        deg[a]++;
        deg[b]++;
        max_deg = max(max_deg, max(deg[a], deg[b]));
        if(end[a] == end[b]) {
            one_color_edge = true;
        }
        v[a].push_back(b);
        v[b].push_back(a);
    }
    if(ones == 0 || zeros == 0) {
        return start == end;
    } else if(max_deg <= 2) {
        int a=0;
        while(deg[a] > 1) {
            a++;
        }
        int prev = -1;
        string start_cc, end_cc;
        start_cc = start[a], end_cc = end[a];
        do{
            for(int b : v[a]) {
                if(b != prev) {
                    prev = a;
                    a = b;
                    break;
                }
            }
            if(start_cc.back() != start[a]) {
                start_cc+= start[a];
            }
            if(end_cc.back() != end[a]) {
                end_cc+= end[a];
            }
        }while(deg[a] > 1);
        // cerr << start_cc << " " << end_cc << "\n";
        return (start_cc.size() > end_cc.size() || (start_cc.size() == end_cc.size() && start_cc[0] == end_cc[0]));
    } else if(one_color_edge) {
        return true;
    } else {
        return start == end;
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    int t;
    cin >> t;
    while(t--) {
        if(solve()) {
            cout << "TAK\n";
        } else {
            cout << "NIE\n";
        }
    }   
}