One is either riding a bike or nobody is using a vehicle.
The question and answer are below.
Premise: "A person wearing a black shirt is riding a bike in front of a red wall with a flower on it."
Hypothesis: "Nobody is using a vehicle."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
no

*****

Old men are not the only men that wear red sweaters.
The question and answer are below.
Given the sentence "A man with a red sweater is sitting." is it true that "The man with the red sweater is old."?
it is not possible to tell

*****

The father and his son could not have been riding a broken motorcycle.
The question and answer are below.
Premise: "A father and his son riding a motorcycle around town."
Based on this premise, can we conclude that the hypothesis "The motorcycle is broken." is true?
Options:
- yes
- it is not possible to tell
- no
no

*****

They are either in front of two RVs or in front of two camping tents.
The question and answer are below.
Given the sentence "One young man reaches out to another in front of two camping tents." can we conclude that "The men are in front of two rvs."?
Options:
- yes
- it is not possible to tell
- no
no

*****