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#include <vector>
#include <iostream>
#include <sstream>
#include <math.h>
#include <sys/time.h>
#include <cstdlib>
#include <algorithm>
#include <cassert>
#include <cstring>
#include <fstream>
#include <set>
#include <map>
#include <iomanip>
#include <queue>

#define FOR(i,a,b)  for(__typeof(b) i=(a);i<(b);++i)
#define REP(i,a)    FOR(i,0,a)
#define FOREACH(x,c)   for(__typeof(c.begin()) x=c.begin();x != c.end(); x++)
#define ALL(c)      c.begin(),c.end()
#define CLEAR(c)    memset(c,0,sizeof(c))
#define SIZE(c) (int) ((c).size())

#define PB          push_back
#define MP          make_pair
#define X           first
#define Y           second

#define ULL         unsigned long long
#define LL          long long
#define LD          long double
#define II         pair<int, int>
#define DD         pair<double, double>
#define FF          pair<float,float>

#define VC	    vector
#define VI          VC<int>
#define VVI         VC<VI>
#define VVVI        VC<VVI>
#define VD          VC<double>
#define VS          VC<string>
#define VII         VC<II>
#define VDD         VC<DD>
#define VFF         VC<FF>
#define VVD         VC<VD>
#define VVVD        VC<VVD>
#define VULL         VC<ULL>

#define DB(a)       cerr << #a << ": " << a << endl;

using namespace std;

template<class T> void print(VC < T > v) {cerr << "[";if (SIZE(v) != 0) cerr << v[0]; FOR(i, 1, SIZE(v)) cerr << "," << v[i]; cerr << "]\n";}
template<class T> string i2s(T &x) { ostringstream o; o << x; return o.str(); }
VS split(string &s, char c = ' ') {VS all; int p = 0, np; while (np = s.find(c, p), np >= 0) {all.PB(s.substr(p, np - p)); p = np + 1;} if (p < SIZE(s)) all.PB(s.substr(p)); return all;}

int blocks(const string &X){
    int ret = 1;
    FOR(i,1,SIZE(X))
        if (X[i] != X[i-1])
            ret++;
    return ret;
}

int main(int argc, char *argv[]){
    int T;
    cin >> T;
    REP(t,T){
        int n;
        string A,B;
        cin >> n;
        cin >> A;
        cin >> B;
        VII E(n-1);
        REP(i,n-1){ cin >> E[i].X >> E[i].Y; E[i].X--; E[i].Y--; }
        if (A == B){ cout << "TAK" << endl; continue;}
        if (B.find('0') < B.length() && A.find('0') >= A.length()){
            cout << "NIE" << endl;
            continue;
        }
        if (B.find('1') < B.length() && A.find('1') >= A.length()){
            cout << "NIE" << endl;
            continue;
        }
        if (B.find('0') >= B.length() || B.find('1') >= B.length()){
            cout << "TAK" << endl;
            continue;
        }

        int ok = 0;
        REP(i,n-1)
            if (B[E[i].X] == B[E[i].Y]){
                ok = 1;
                break;
            }
        if (!ok) { cout << "NIE" << endl; continue;}

        VI deg(n,0);
        REP(i,n-1) { deg[E[i].X]++; deg[E[i].Y]++; }
        
        ok = 0;
        REP(i,n) if (deg[i] > 2){ ok = 1; break;}

        if (ok){
            cout << "TAK" << endl; continue;
        }

        VI XOR(n,0);
        REP(i,n-1){ XOR[E[i].X] ^= E[i].Y; XOR[E[i].Y] ^= E[i].X; }

        int start = -1;
        REP(i,n) if (deg[i] == 1){ start = i; break;}

        string AA(A), BB(B);

        int prev = 0;
        int pos = start;
        REP(i,n){
            AA[i] = A[pos];
            BB[i] = B[pos];
            int tmp = pos;
            pos = XOR[pos] ^ prev; 
            prev = tmp;
        }

        int a = blocks(AA);
        int b = blocks(BB);

        if (b < a || (b == a && AA[0] == BB[0])) { 
            cout << "TAK" << endl; continue;
        } else{
            cout << "NIE" << endl; continue;
        }
    }
    return 0;
}