There is no proof of what key the boy is playing. he could play in a key other than C.
The question and answer are below.
Premise: "Two girls play trombone and a boy plays the saxophone."
Based on this premise, can we conclude that the hypothesis "A boy plays in the key of c." is true?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

People on the street in front of buildings does not indicate that they are waiting to enter.
The question and answer are below.
Test for natural language inference.
Premise: "People on a street in front of tall buildings."
Hypothesis: "A group of people waiting to enter a building next to a street."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

One woman is pouring drinks at an event and the other is just at the event.
The question and answer are below.
Given the sentence "A woman is pouring drinks at an event." is it true that "A woman is at an event."?
yes