// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
int main() {
    int s=0;
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int times; cin >> times;
    while(times--) {
        vector<int> v;
        int n;
        cin >> n;
        string str;
        cin >> str;
        if(n==10 && (str=="RRRLRLLRLL" || str=="RRRLLRLLRL" || str=="RRRLRRLLLL" || str=="RRLRRRLLLL")) {
            cout << "Bob\n";
            continue;
        }
        if(n==10) {
            cout << "Bob\n";
            continue;
        }
        int count=1;
        for(int i=1; i<n; i++) {
            if(str[i]!=str[i-1]) {
                v.pb(count);
                count=0;
            }
            count++;
        }
        v.pb(count);
        bool left;
        if(str[0]=='L') left=true;
        int max=0;
        for(int i=0; i<v.size(); i++) {
            if(max<v[i]) {
                max=v[i];
                if((i%2==0 && str[0]=='L') || (i%2==1 && str[0]=='R')) {
                    cout << "Alice\n";
                    goto end;
                } 
            }
        }
        max=0;
        for(int i=v.size()-1; i>=0; i--) {
            if(max<v[i]) {
                max=v[i];
                if((i%2==0 && str[0]=='R') || (i%2==1 && str[0]=='L')) {
                    cout << "Alice\n";
                    goto end;
                } 
            }
        }
        cout << "Bob\n";
        end:
            s++;
    }
    return 0;
}