QUESTION: If "A black dog tugs on a rope." does that mean that "The dog is having fun."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The dog could be trying to pull something for work and we can't really tell if it's having fun.
The answer is it is not possible to tell.


QUESTION: Can we conclude from "A group of people are standing in front of some stores." that "There are people standing."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Since there are people standing in front of stores they are standing.
The answer is yes.


QUESTION: Can we conclude from "A barber must maintain a steady and accurate hand." that "The barber lost both of his hands in the war."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
He cannot stay a barber and maintain a steady hand after he lost both of his hands in the war.
The answer is no.