You are given a code:

def main_solution(x):
    return (func_5(x, 'sr') + func_23('aeioq', 2))

Can you predict the output of `main_solution("kua")` 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": "kua"}, "ref_output": "srkuaaeioq1", "ref_code": "def main_solution(x):\n    return (func_5(x, 'sr') + func_23('aeioq', 2))", "funcname": "main_solution"}
rule