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#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>

using namespace std;

typedef uint32_t ul;
typedef int32_t l;
typedef uint64_t ull;
typedef int64_t ll;

const l INF = 1000000000 + 9;
const ll MOD = 123456789;
const l PRIME = 200003;
const ll L_INF = 1000000000000000000LL + 7;
const double EPS = 1e-5;

#define FOR(x, y, z) for (l z = x; z < y; z++)
#define FORE(x, y, z) for (l z = x; z <= y; z++)
#define FORD(x, y, z) for (l z = x; z > y; z--)
#define FORDE(x, y, z) for (l z = x; z >= y; z--)
#define REP(x, y) for (l y = 0; y < x; y++)
#define ALL(...) (__VA_ARGS__).begin(), (__VA_ARGS__).end()

#define PF push_front
#define POF pop_front
#define PB push_back
#define POB pop_back
#define MP make_pair
#define FS first
#define SC second

l num_tests, n;
string colors_before, colors_after;
vector<l> graph[1000015];

l is_path()
{
    l cnt = 0, last = -1;
    FORE(1, n, i)
    {
        if(graph[i].size() == 1)
        {
            cnt++;
            last = i;
        }
    }

    if(cnt > 2)
        return -1;
    else return last;
}

bool check_simple(string bef, string aft)
{
    string compressed_before = "", compressed_after = "";
    compressed_before.PB(bef[0]);
    compressed_after.PB(aft[0]);

    FOR(1, n, i)
    {
        if(bef[i] != compressed_before.back())
            compressed_before.PB(bef[i]);

        if(aft[i] != compressed_after.back())
            compressed_after.PB(aft[i]);
    }

    if(compressed_before == compressed_after)
        return true;

    else return compressed_before.length() > compressed_after.length();
}


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);

    cin >> num_tests;
    while(num_tests--)
    {
        cin >> n >> colors_before >> colors_after;
        bool is_before[2] = {false, false}, is_after[2] = {false, false};
        bool same_color = false;

        REP(n, i)
        {
            if(colors_before[i] == '0')
                is_before[0] = true;
            else is_before[1] = true;

            if(colors_after[i] == '0')
                is_after[0] = true;
            else is_after[1] = true;

            graph[i+1].clear();
        }

        REP(n-1, i)
        {
            l a, b;
            cin >> a >> b;
            graph[a].PB(b);
            graph[b].PB(a);

            if(colors_after[a-1] == colors_after[b-1])
                same_color = true;
        }

        if(colors_before == colors_after)
        {
            cout << "TAK\n";
            continue;
        }

        if(is_before[0] + is_before[1] == 1 && is_after[0] + is_after[1] == 1)
        {
            if(is_before[0] != is_after[0])
                cout << "NIE\n";
            else cout << "TAK\n";
            continue;
        }

        else if(is_before[0] + is_before[1] != is_after[0] + is_after[1])
        {
            if(is_before[0] + is_before[1] < is_after[0] + is_after[1])
                cout << "NIE\n";
            else
                cout << "TAK\n";
            continue;
        }

        l start = is_path();
        if(start == -1)
        {
            cout << (same_color ? "TAK\n" : "NIE\n");
            continue;
        }

        string new_colors_before = "", new_colors_after = "";
        l pos = start, last = -1;

        while(true)
        {
            new_colors_before.PB(colors_before[pos-1]);
            new_colors_after.PB(colors_after[pos-1]);

            if(pos != start && graph[pos].size() == 1)
                break;
            
            if(graph[pos][0] != last)
            {
                last = pos;
                pos = graph[last][0];
            }

            else
            {
                last = pos;
                pos = graph[last][1];
            }
        }

        if(check_simple(new_colors_before, new_colors_after))
            cout << "TAK\n";
        else cout << "NIE\n";
    }
}