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

int t;
int n;
int a, b;
bool k1, k2, w1, w2;
string kolory, wzor;
vector<vector<int>> drzewo;
vector<bool> visited;
string prosta1, prosta2;
bool dziala;
int v;
int p;

void DFS(int v)
{
    if (!dziala)
        return;
    visited[v] = true;
    // // ignorować proste z trójek
    if (drzewo[v].size() <= 2)
    {
        prosta1 += kolory[v];
        prosta2 += wzor[v];
    }
    if (drzewo[v].size() != 2 && v != p)
    {
        // cout << v + 1 << ": " << prosta1 << ' ' << prosta2 << '\n';
        char last = prosta1[0];
        int l1 = 0;
        for (auto &c : prosta1)
        {
            if (c != last)
            {
                last = c;
                l1++;
            }
        }
        last = prosta1[0];
        int l2 = 0;
        for (auto &c : prosta2)
        {
            if (c != last)
            {
                last = c;
                l2++;
            }
        }
        if (l2 > l1)
        {
            dziala = false;
            return;
        }
        prosta1 = "";
        prosta2 = "";
    }
    for (auto &u : drzewo[v])
    {
        if (visited[u])
            continue;
        DFS(u);
    }
}

void proste()
{
    dziala = true;
    prosta1 = "", prosta2 = "";
    p = -1;
    for (int v = 0; v < n; ++v)
    {
        if (drzewo[v].size() == 1)
        {
            p = v;
            break;
        }
    }
    // cout << p + 1 << '\n';
    DFS(p);
    if (!dziala)
        cout << "NIE\n";
    else
        cout << "TAK\n";
}

void solve()
{
    k1 = false, k2 = false, w1 = false, w2 = false;
    cin >> n;
    drzewo.resize(0);
    drzewo.resize(n);
    visited.assign(n, false);
    cin >> kolory >> wzor;
    for (int i = 0; i < n - 1; ++i)
    {
        cin >> a >> b;
        drzewo[a - 1].push_back(b - 1);
        drzewo[b - 1].push_back(a - 1);
    }
    for (auto &c : kolory)
    {
        if (c == '0')
            k1 = true;
        else
            k2 = true;
    }
    for (auto &c : wzor)
    {
        if (c == '0')
            w1 = true;
        else
            w2 = true;
    }
    if (w1 && !k1)
    {
        cout << "NIE\n";
        return;
    }
    if (w2 && !k2)
    {
        cout << "NIE\n";
        return;
    }

    for (int v = 0; v < n; ++v)
    {
        if (drzewo[v].size() <= 2)
            continue;
        for (auto u : drzewo[v])
        {
            if (wzor[v] == wzor[u])
            {
                cout << "TAK\n";
                return;
            }
        }
    }
    for (int v = 0; v < n; ++v)
    {
        if (drzewo[v].size() <= 2)
            continue;
        // cout << drzewo[v].size() << '\n';
        if (kolory[v] != wzor[v])
        {
            cout << "NIE\n";
            return;
        }
        for (auto u : drzewo[v])
        {
            if (kolory[u] != wzor[u])
            {
                cout << "NIE\n";
                return;
            }
        }
    }
    proste();
    // cout << "NIE\n";
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    cin >> t;
    while (t--)
    {
        solve();
    }
}