You are given a code:

def main_solution(x):
    return func_9('fhvhh')

Can you predict the output of `main_solution("lnsbg")` 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": "lnsbg"}, "ref_output": "fhvhhhhvhf", "ref_code": "def main_solution(x):\n    return func_9('fhvhh')", "funcname": "main_solution"}
rule