Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: A cart can be stationary and doesn't necessarily have to be speeding. A man can jump over a cart for any reason and not just to avoid the cart before it knocks him down.
 The question and answer:
Can we conclude from "A man jumping over a cart in the supermarket." that "A man jumps over a speeding shopping cart right before it knocks him down."?
Options:
- yes
- no
- it is not possible to tell
The answer is it is not possible to tell