def complete_dyck_languages(input_text):
    # Step 1: Parse the input text to extract the sequence of parentheses.
    parentheses_sequence = extract_parentheses(input_text)
    print("Parentheses sequence:", parentheses_sequence)

    # Step 2: Initialize a stack to keep track of opening parentheses that need closing.
    stack = []

    # Step 3: Iterate over each character in the sequence to handle opening and closing parentheses.
    for i, char in enumerate(parentheses_sequence):
        if char in ['(', '[', '{', '<']:
            stack.append(char)
            print(f"Step ({i}) - Pushed {char} to stack")
        elif char in [')', ']', '}', '>']:
            if len(stack) == 0:
                print(f"Step ({i}) - No matching opening bracket for {char}")
            else:
                opening_bracket = stack.pop()
                print(f"Step ({i}) - Matched {opening_bracket} with {char}")
    
    # Step 4: Check if the stack is empty after processing the entire sequence.
    if len(stack) > 0:
        print("Remaining unmatched brackets in stack:", stack)
        # Step 5: Generate the necessary closing brackets to match the remaining opening brackets.
        closing_brackets = generate_closing_brackets(stack)
        print("Generated closing brackets:", closing_brackets)
    else:
        print("All brackets are properly matched.")

    # Step 6: Return the generated closing brackets as the final answer.
    return closing_brackets