QUESTION: Given the sentence "A group of children from many races are standing in the fountain of a busy plaza." can we conclude that "All of the children are white."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If all of the children are white they are not of many races.
The answer is no.


QUESTION: Given the sentence "Two little boys play football on green grass." is it true that "The boys have grass stains on their clothes."?

Let's solve it slowly: The grass stains may be a result of playing football. not all grass stains result from playing football.
The answer is it is not possible to tell.


QUESTION: Can we conclude from "A fireman using a firehose on a car engine that is up on a carjack." that "There is a man using a fire hose."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
The fireman is using a firehose so in other words he is a man using a fire hose.
The answer is yes.