You are given a code:

def main_solution(x):
    return ('oku' + 'gmaw')

Can you predict the output of `main_solution("yuqp")` 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": "yuqp"}, "ref_output": "okugmaw", "ref_code": "def main_solution(x):\n    return ('oku' + 'gmaw')", "funcname": "main_solution"}
rule