TASK DEFINITION: Write a correct answer for the question. You should reason about prototypical situations and provide the correct answer. Avoid answers that provide incomplete justification for the question.
PROBLEM: name something you wave in the air.

SOLUTION: hands

PROBLEM: name something you've lost weight for and as soon as it was over you pigged out.

SOLUTION: wedding

PROBLEM: name something cars have today that they didn't have 50 years ago.

SOLUTION:
airbags