Given the sentence "A boy takes off his glasses while playing with his toy trains." is it true that "A boy removes his glasses to clean them."?

it is not possible to tell
Explanation: You don't always have to clean your glasses when you remove them..

Premise: "A black dog sniffing the ground near a body of water."
Based on this premise, can we conclude that the hypothesis "A white dog is sniffing the air on a porch." is true?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: The dog cannot be both black and white. The dog cannot be sniffing both the ground and the air at the same time..

Premise: "People walk down a wet sidewalk."
Based on this premise, can we conclude that the hypothesis "People are walking down a slippery sidewalk." is true?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: Are walking is rephrasing of walk down and wet sidewalk will be slippery sidewalk..

If "This is two belly dancers in mid dance." does that mean that "A ballet dancer is practicing alone."?
Options:
- yes
- it is not possible to tell
- no
no
Explanation: Belly dancers do not dance the same way as ballet dancers as they are not the same thing..