QUESTION: Can we conclude from "Martial arts students sit on the floor or stand in the background while watching a matchup between two people." that "Karate students are watching two classmates in a match."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Martial arts can be things other than karate. The two people are not necessarily classmates.
The answer is it is not possible to tell.

QUESTION: 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

Let's solve it slowly: 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 answer is it is not possible to tell.

QUESTION: Can we conclude from "Young women hanging laundry on a clothesline." that "Women put clothes into a washing machine."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The young women cant be hanging laundry and putting them in a washing machine at the same time.
The answer is no.