QUESTION: Can we conclude from "A crowd of people is walking through a parking lot at night." that "A crowd of people walk through a parking lot."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A crowd of people is walking through a parking lot at night requires that a crowd of people is walking through a parking lot.
The answer is yes.

QUESTION: Given the sentence "Man shoveling snow after a large snowstorm." is it true that "A man shovels snow."?

Let's solve it slowly: After a large snowstorm it would make sense that the man shovels snow.
The answer is yes.

QUESTION: Given the sentence "Many people are sitting around computers." is it true that "A group is around technology."?

Let's solve it slowly:
A group is consisted of many people. Another way to state computers is technology.
The answer is yes.