You are given a code:

def main_solution(x):
    return (x + 'erxary')

Can you predict the output of `main_solution("sfxsbq")` 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": "sfxsbq"}, "ref_output": "sfxsbqerxary", "ref_code": "def main_solution(x):\n    return (x + 'erxary')", "funcname": "main_solution"}
rule