Student asked: If "A group of people observing a group of birds." does that mean that "A group of people observing birds."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Observing a group of birds is a way of observing birds. The answer is yes.


Student asked: Given the sentence "A man wearing a red coat is outside with his hand over his head to block out the sun." is it true that "A man stares directly into the sun."?
Teacher's response: Let's think. The man cannot block out the sun while staring directly into the sun. The answer is no.


Student asked: Premise: "Two gentlemen in tuxes play the keyboard and guitar."
Based on this premise, can we conclude that the hypothesis "Two guys are playing instruments." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Guys is a synonym for gentlemen and a keyboard and guitar are instruments. The answer is yes.


Student asked: Test for natural language inference.
Premise: "A female softball player swinging at a softball."
Hypothesis: "A female is at bat."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The softball player is swinging so she must be at bat. The answer is yes.