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

int main(){
    int g;
    cin>>g;
    int n;
    for (int j=0;j<g;j++)
    {
        Fr: ;
        cin>>n;
        pair<int,int> a[n];
        for (int i=0;i<n;i++)
        {
            cin>>a[i].second>>a[i].first;
        }
        if (g-j>1)
        {
            goto Fr;
        }
        else
        {
            goto Ba;
        }
        Ba: ;
        sort(a,a+n);
        for (int i=0;i<n-1;i++)
        {
            if (abs(a[i].second-a[i+1].second)<abs(a[i].first-a[i+1].first))
            {
                cout<<"Notabletocatch"<<endl;
                goto ed;
            }
        }
        cout<<"Abletocatch"<<endl;
        ed: ;
    }   
    return 0;
}