import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int t = Integer.parseInt(br.readLine()); PrintWriter pw = new PrintWriter(System.out); for (int z = 0; z < t; z++) { int n = Integer.parseInt(br.readLine()); String[] sa = br.readLine().split(" "); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = Integer.parseInt(sa[i]); } int x = 0; for (int i = 0; i < n; i++) { x ^= a[i]; } if (n % 2 == 0 && x == 0) { pw.println("Bob"); } else { pw.println("Alice"); } } br.close(); pw.flush(); } }