[QUESTION] Premise: "A man in a white shirt and jeans using a chainsaw to cut down a tree."
Hypothesis: "A man is feeding tree limbs into a mulcher."
Do we know that the hypothesis entailed by the premise?
Using a mulcher is different from cutting down trees using a chainsaw.
The answer is no.

Q: Given the sentence "A bunch of different glasses on top of a checkerboard." can we conclude that "The checkerboard is clear."?
Options:
- yes
- it is not possible to tell
- no
A: The checkerboard cannot be clear if there are different glasses on top of it.
The answer is no.

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] Given the sentence "A guy with black hair and a black shirt shows a broken glass to the camera." is it true that "A guy smiling at the camera."?
A man looking to the camera is not necessarily smiling at it.
The answer is it is not possible to tell.

Q: Given the sentence "Two girls crouch in front of some bushes and talk on their phones." can we conclude that "There are birds in the bush."?
Options:
- yes
- it is not possible to tell
- no
A: Two girls can crouch in front of some bushes that don't have birds.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man rollerblades on a skate course."
Hypothesis: "The man is in a race."
Do we know that the hypothesis entailed by the premise?
Not everyone who skates on a course will be in a race.
The answer is it is not possible to tell.