Finish the following sentence with the best choice: Cut a watermelon without a knife.

Choices:
- Use a quarter to make small slit at center of watermelon, then do a karate chop.
- Use a quarter to make small square at center of watermelon, then do a karate chop.

Answer:
Use a quarter to make small slit at center of watermelon, then do a karate chop.