Q: Given the sentence "A man stands and watches another man add liquid to a compartment in the motor of a bulldozer." can we conclude that "One of the men knows about mechanics."?
Options:
- yes
- it is not possible to tell
- no
A: Add liquid to a compartment in the motor does not mean knows about mechanics.
The answer is it is not possible to tell.

Q: Premise: "A little boy is enjoying his day surfing out in the ocean behind a boat."
Hypothesis: "A young man waves from a train platform."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: It can't be a little boy and a young man simultaneously. and can't be a train platform and behind a boat.
The answer is no.

Q: Can we conclude from "Woman hanging upside down from a ladder." that "The woman is performing for a circus."?
Options:
- yes
- no
- it is not possible to tell
A: Just because hanging upside down does not mean in a circus.
The answer is it is not possible to tell.

Q: Given the sentence "A man carries two bundles on a pole balanced over his shoulder while walking down a staircase in the fog." can we conclude that "A man is carrying two bundles."?
Options:
- yes
- it is not possible to tell
- no
A:
Carries two bundles on a pole balanced over his shoulder' is an elaborate way of saying carrying two bundles.
The answer is yes.