You are given a code:

def main_solution(x):
    return func_5(func_19('bprgd', 3), 'zig')

Can you predict the output of `main_solution("wquj")` 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": "wquj"}, "ref_output": "ziggdbpr", "ref_code": "def main_solution(x):\n    return func_5(func_19('bprgd', 3), 'zig')", "funcname": "main_solution"}
rule