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

typedef long long int LL;

const int MAX_N = 1000005;

int t, n;
string current, expected;
vector<unordered_set<int>> graph;

bool DEBUG = false;

bool solve()
{
    unordered_set<string> vis;
    queue<string> q;
    int movesCount = 0;

    vis.insert(current);
    q.push(current);
    while(!q.empty())
    {
        string u = q.front();
        q.pop();

        if(DEBUG)
        {
            cout << u << endl;
        }

        if(u == expected)
        {
            return true;
        }

        if(n > 20 && movesCount > 2*n)
        {
            return false;
        }
        ++movesCount;

        for(int i = 1; i <= n; ++i)
        {
            for(const int v : graph[i])
            {
                if(u[i] == u[v])
                {
                    continue;
                }

                string newState = u;
                newState[v] = newState[i];
                if(vis.find(newState) != vis.cend())
                {
                    continue;
                }

                vis.insert(newState);
                q.push(newState);
            }
        }
    }

    return false;
}

string compress(const string& s)
{
    string res;
    for(const char c : s)
    {
        if(res.empty() || c != *res.rbegin())
        {
            res += c;
        }
    }
    return res;
}

bool isSubsequence(const string& text, const string& s)
{
    int idx = 0;
    for(char c : s)
    {
        while(idx < text.size() && text[idx] != c)
        {
            ++idx;
        }

        if(idx == text.size())
        {
            return false;
        }
    }

    return true;
}

bool isLine()
{
    for(int i = 1; i <= n; ++i)
    {
        if(graph[i].size() > 2)
        {
            return false;
        }
    }
    return true;
}

int main()
{
    ios_base::sync_with_stdio(0);

    cin >> t;
    while(t--)
    {
        cin >> n;

        cin >> current;
        cin >> expected;

        graph = vector<unordered_set<int>>(n+1);
        int a, b;
        for(int i = 1; i < n; ++i)
        {
            cin >> a >> b;

            graph[a].insert(b);
            graph[b].insert(a);
        }

        if(current == expected)
        {
            cout << "TAK" << endl;
            continue;
        }

        /*if(isLine())
        {
            string compressedCurrent = compress(current);
            string compressedExpected = compress(expected);

            cout << (isSubsequence(compressedCurrent, compressedExpected) ? "TAK" : "NIE") << endl;
            continue;
        }*/

        current = 'x' + current;
        expected = 'x' + expected;

        unordered_map<char, int> currentCounts, expectedCounts;
        for(int i = 1; i <= n; ++i)
        {
            ++currentCounts[current[i]];
            ++expectedCounts[expected[i]];
        }

        if((currentCounts['0'] == 0 && expectedCounts['0'] > 0) || (currentCounts['1'] == 0 && expectedCounts['1'] > 0))
        {
            cout << "NIE" << endl;
            continue;
        }

        cout << (solve() ? "TAK" : "NIE") << endl;
    }

    return 0;
}