You are given a code:

def main_solution(x):
    return func_22('qniq')

Can you predict the output of `main_solution("vgtl")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "vgtl"}, "ref_output": "qniq", "ref_code": "def main_solution(x):\n    return func_22('qniq')", "funcname": "main_solution"}
rule