Q: If "A man talks on his cellphone in front of an advertisement." does that mean that "A man talks to his girlfriend on his cellphone in front of an advertisement."?
Options:
- yes
- it is not possible to tell
- no
A: A man talking on his cellphone is not necessarily talking to his girlfriend.
The answer is it is not possible to tell.

Q: Given the sentence "A woman in orange work clothes next to a large blue trashcan is helping a man sweep some dirt and water into a dustpan." is it true that "A woman is helping a man."?
A: A woman is helping a man is the point of the sentence despite the extra detail that we are given.
The answer is yes.

Q: Given the sentence "Five little girls posing in matching dance outfits." can we conclude that "Children are wearing their karate uniform."?
Options:
- yes
- it is not possible to tell
- no
A: One is either in dance outfits or are in karate uniform.
The answer is no.

Q: Given the sentence "Two greyhounds race." is it true that "The greyhounds are sleeping."?
A:
The greyhounds cannot race and be sleeping at the same time.
The answer is no.