QUESTION: If "A man is playing guitar in a band." does that mean that "The man is playing alone."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The man playing in a band refers to playing with more than one person instead of playing alone.
The answer is no.

QUESTION: If "A chubby man rides away down the street on a bike." does that mean that "A chubby man rides away on a bicycle."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Bike and bicycle are used interchangeably as part of the description of chubby man riding away.
The answer is yes.

QUESTION: Given the sentence "Two boys pose in front of a prehistoric garden sign that is attached to a chain link fence." is it true that "While shrubbery grows in the background."?

Let's solve it slowly:
Two girls are sitting in front of a garden sign outside.
The answer is no.