You are given a code:

def main_solution(x):
    return func_3('wos')

Can you predict the output of `main_solution("ogtquzefk")` 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": "ogtquzefk"}, "ref_output": "osw", "ref_code": "def main_solution(x):\n    return func_3('wos')", "funcname": "main_solution"}
rule