{"input_data_sample":"name=Alice&age=30&city=New+York&role=Developer","transformation_instruction":"Parse a URL query string into a JSON object, decoding URL-encoded characters (like '+' to space).","output_code":"import json, urllib.parse\n\ndef transform(text):\n    parsed = urllib.parse.parse_qs(text.strip())\n    # parse_qs returns lists for values; flatten single values\n    result = {k: v[0] if len(v) == 1 else v for k, v in parsed.items()}\n    return json.dumps(result)\n","output_data_sample":"{\"name\": \"Alice\", \"age\": \"30\", \"city\": \"New York\", \"role\": \"Developer\"}"}