QUESTION: Given the sentence "A man standing in front of several people talking." is it true that "A man saw his friends."?

Let's solve it slowly: Talking to a group of people does not mean that man saw his friends.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two white men drinking beer out of guinness glasses." can we conclude that "Two white men drink imported beers."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because drinking out of Guinness glasses does not mean it is imported beers.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A skateboarder uses a ramp." is it true that "A man is doing an impressive skateboard trick."?

Let's solve it slowly:
All skateboarders aren't men and using a ramp doesn't mean the skateboarder is doing a skateboard trick.
The answer is it is not possible to tell.