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#include <bits/stdc++.h>

using namespace std;


struct node
{
    bool s=0;
    bool k=0;
    int stop=0;
    vector<int> edges;

    void clean()
    {
        stop=0;
        edges.clear();
    }
};
vector<node> graf(100001);

int maxi=0;

void hs(int ind,int last, int zm)
{
    if (graf[last].s != graf[ind].s)zm++;
    maxi = max(maxi,zm);
    
    for (int i=0;i<graf[ind].edges.size();++i)
    {
        hs(graf[ind].edges[i] , ind ,zm);
    }
    return;
}


void hk(int ind,int last, int zm)
{
    if (graf[last].k != graf[ind].k)zm++;
    maxi = max(maxi,zm);
    
    for (int i=0;i<graf[ind].edges.size();++i)
    {
        hk(graf[ind].edges[i] , ind ,zm);
    }
    return;
}




int main()
{
    int t;
    cin >> t;
    for(int z =0;z<t;++z)
    {
        int n;
        cin >> n;
        
        for (int i=0;i<n;++i)graf[i].clean();
        string s;
        cin >> s;
        for (int i=0;i<n;++i)
        {
            graf[i+1].s = (s[i] == '1' ? 1 : 0);
        }
        string s2;
        cin >> s2;


        for (int i=0;i<n;++i)
        {
            graf[i+1].k = (s2[i] == '1' ? 1 : 0);
        } 


        for (int i=0;i<n-1;++i)
        {
            int pom1;
            int pom2;
            cin >> pom1 >> pom2;

            graf[pom1].edges.push_back(pom2);
            graf[pom1].stop+=(graf[pom2].k == 0 ? -1 : 1 );

            graf[pom2].edges.push_back(pom1);
            graf[pom2].stop+=(graf[pom1].k == 0 ? -1 : 1 );
        }

        if (s == s2)
        {
            cout << "TAK\n";
            continue;
        }
        bool bryk =0;
        for(int i=0;i<n-1;++i)
        {
            if (graf[i].edges.size() <= 2)continue;
            if (graf[i].k == 1)
            {
                if (!(graf[i].stop == -graf[i].edges.size()) )
                {
                    bryk = 1;
                    break;
                }
            }

            if (graf[i].k == 0)
            {
                if (!(graf[i].stop == graf[i].edges.size()) )
                {
                    bryk = 1;
                    break;
                }
            }

        }
        if (bryk)
        {
            cout << "TAK"<<endl;
            continue;
        }
        maxi =0;
        hs(0,0,0);
        int o1 = maxi;
        maxi =0;
        hk(0,0,0);
        int o2 = maxi;

        if (o1 > o2)
        {
            cout << "TAK\n";
        }
        else
        {
            cout << "NIE\n";
        }
    }
}

/*

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*/