You are given a code:

def main_solution(x):
    return ('rmv' + 'wsrodo')

Can you predict the output of `main_solution("rlexrbiql")` 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": "rlexrbiql"}, "ref_output": "rmvwsrodo", "ref_code": "def main_solution(x):\n    return ('rmv' + 'wsrodo')", "funcname": "main_solution"}
rule