Student asked: Premise: "A very wet dog in a river."
Hypothesis: "The dog is in a river to retrieve a ball."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all dogs are in a river to retrieve a ball. The answer is it is not possible to tell.


Student asked: Premise: "A person falls into the water near some rocks."
Hypothesis: "The person was unhurt after his splash into the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A person who falls will not always come out unhurt. Falling into the water does not necessarily mean there was a splash. The answer is it is not possible to tell.


Student asked: Given the sentence "A person's head is in the foreground while two women embrace in the background and look at the camera." can we conclude that "Two women hug."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Two women embracing means they are showing affection and hugging as part of the total description of them looking at the camera. The answer is yes.


Student asked: Test for natural language inference.
Premise: "Four crosscountry skiers climb uphill."
Hypothesis: "There are seven skiers in the group."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Just because four crosscountry skiers climb uphill does not imply that there are seven skiers in the group. The answer is it is not possible to tell.