You are given a code:

def main_solution(x):
    return func_4(func_5('hntow', 'oha'))

Can you predict the output of `main_solution("tifcbw")` 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": "tifcbw"}, "ref_output": "ohahntow", "ref_code": "def main_solution(x):\n    return func_4(func_5('hntow', 'oha'))", "funcname": "main_solution"}
rule