true-false (adjective)

1. The quiz had a section of true-false questions, but the answers were all jokes!

2. In the futuristic world of the movie, robots were programmed to give true-false responses to human commands.

3. The true-false game show in the comic book had superheroes answering questions about their own powers.

4. The magical creatures in the fantasy novel could only communicate with the main character through true-false riddles.