#include <bits/stdc++.h>
#define mp make_pair
#define mt make_tuple
#define fir first
#define sec second
#define ll long long
using namespace std;
const int N=1e6+10;
int T,n;
string s;
bool check(string s){
	int L=0,R=n+1;
	for(int i=1;i<=n;i++){
		if(s[i]=='L'){
			L=i;break;
		}
	}
	for(int i=n;i>=1;i--){
		if(s[i]=='R'){
			R=i;break;
		}
	}
	if(L!=(n-R+1)||L==1||R==n){
		return false;
	}else return true;
}
void solve(){
	cin>>n>>s;s=" "+s;
	for(int i=1;i<=n;i++){
		string t;
		if(s[i]=='L'){
			for(int j=1;j<i;j++)
				t.push_back(s[j]);
			if(check(t)){
				cout<<"Alice\n";
				return; 
			}
		}else{
			for(int j=i+1;j<=n;j++)
				t.push_back(s[j]);
			if(check(t)){
				cout<<"Alice\n";
				return; 
			}
		}
	}
	cout<<"Bob\n";
}
int main(){
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>T;
	while(T--)solve();
	return 0;
}