import json

def filter_by_category(input_file, output_file, target_category):
    # Read the input JSON file
    with open(input_file, 'r') as f:
        data = json.load(f)

    # Filter the entries where the second element of category_hierarchy is "Olympics"
    filtered_data = [
        entry for entry in data
        if len(entry.get('category_hierarchy', [])) > 1 and entry['category_hierarchy'][1] in target_category
    ]

    # Write the filtered entries to a new JSON file
    with open(output_file, 'w') as f:
        json.dump(filtered_data, f, indent=4)

# Usage
input_file = '/home/yiyangai/stephenqs/datasets/wikihow/Arts and Entertainment.json'   # Replace with your input file name
output_file = 'filtered_output.json'   # Replace with your desired output file name
target_category = ['Banks and Financial Institutions','Government','Investments and Trading','Legal Matters','Marketing','Real Estate','Sharing Economy']

filter_by_category(input_file, output_file, target_category)