[QUESTION] Given the sentence "Four girls in shorts on the beach throwing a football with the ocean behind them." is it true that "Two boys are throwing a football on the beach."?
Girls are female and boys are male and you cannot be both at the same time.
The answer is no.

[QUESTION] Given the sentence "Two firefighters in full uniform walking in front of a firetruck." can we conclude that "Firefighters are walking in front of the firetruck to make sure nothing is broken."?
Options:
- yes
- it is not possible to tell
- no
Two firefighters can more vaguely be described as firefighters. Walking in front of a fire truck in full uniform is the same as walking in front of it in general.
The answer is yes.

[QUESTION] Premise: "A girl with glasses is singing into a microphone in front of a crowd."
Based on this premise, can we conclude that the hypothesis "The girl in glasses is singing outside to a crowd." is true?
Options:
- yes
- it is not possible to tell
- no
Just because a girls is singing into a microphone doesn't mean she is outside.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man dressed as a clown looks on." is it true that "The clown is a girl."?
A man dressed as a clown doesn't indicate that the clown is a girl.
The answer is it is not possible to tell.