Given the sentence "Woman standing in snow behind an individual with skis." is it true that "A woman is outside during winter."?

it is not possible to tell
Explanation: The presence of snow doesn't necessarily mean that it's winter. There was man-made snow on the California ski slopes in August last year..

Given the sentence "A brown and black dog running on a trail in the woods." can we conclude that "The dog is sleeping in the doghouse."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: Animal that is sleeping can not be on at trail running at the same time..

Premise: "Dad is adjusting daughter's bike."
Based on this premise, can we conclude that the hypothesis "The dad is fixing his daughter's rollerblades." is true?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: Dad cannot be working on rollerblades and bike at same time..

Premise: "The karate students are stretching before practice."
Based on this premise, can we conclude that the hypothesis "The students are stretching their hamstrings." is true?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
Explanation: Students do not have to be stretching their hamstrings because they are stretching..