local q = io.read("*n")
for iq = 1, q do
  local n = io.read("*n")
  local a = {}
  for i = 1, n do
    a[i] = io.read("*n")
  end
  table.sort(a)
  if n % 2 == 1 then
    print("Alice")
  else
    local f = false
    for i = 1, n - 1, 2 do
      if a[i] ~= a[i + 1] then f = true break end
    end
    print(f and "Alice" or "Bob")
  end
end