QUESTION: Premise: "A man wearing a backpack is jumping off a pier."
Based on this premise, can we conclude that the hypothesis "A man is jumping off a pier trying to kill himself." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Jumping off a pier does not mean he is trying to kill himself.
The answer is it is not possible to tell.

QUESTION: Premise: "Four young men are running on a street and jumping for joy."
Based on this premise, can we conclude that the hypothesis "The men just won the lottery." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Even if the men and jumping for joy it doesn't prove they won the lottery.
The answer is it is not possible to tell.

QUESTION: Given the sentence "An ambulance going down the road." can we conclude that "The ambulance has more than one person in it."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Not all ambulances going down the road have more than one person in it. It could well be going to a service station in which case it could only have the driver.
The answer is it is not possible to tell.