Q: Fact 1: Touch is the ability to sense pressure. Fact 2: Moles find prey mainly by using their sense of touch. Given the two facts above, moles find prey mainly by using their ability to sense what?

OPTIONS: 1. temperature. 2. retina. 3. warmth. 4. heat. 5. pressure. 6. heat or cold. 7. an object. 8. environment.
The answer is:
5.