Student asked: Premise: "A woman focuses her digital camera at major event."
Hypothesis: "The woman owns a camera."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Since it is her digital camera then the woman owns a camera. The answer is yes.

Student asked: Premise: "A middle-aged man shines black leather shoes."
Hypothesis: "A young man has his shoes shined by an old old guy."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Someone who is middle-aged would not be described as old old. The answer is no.

Student asked: Test for natural language inference.
Premise: "Two hikers stop to look at the landscape."
Hypothesis: "Two people looking at grass and trees."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The hikers can look at the landscape without looking at grass and trees. The answer is it is not possible to tell.

Student asked: Given the sentence "A band playing on stage for a crowd of people." is it true that "A crowd of people are watching the band play on an outdoor stage."?
Teacher's response:
Let's think. You can't imply that the band is playing outdoors on a stage. They could be playing indoors. The answer is it is not possible to tell.