Student asked: Given the sentence "A railroad worker working on the rails." can we conclude that "He is wearing a helmet."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A worker can be working on the rails without a helmet. The answer is it is not possible to tell.


Student asked: Can we conclude from "Three people are making the cashier busy inside the grocery store." that "Three people are buying all the party supplies for the party."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. People can buy things without it being party supplies for a party. The answer is it is not possible to tell.


Student asked: Can we conclude from "Woman looking at four men in the beach." that "The four men are playing volleyball."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Men on the beach can be doing things other than playing volleyball. The answer is it is not possible to tell.


Student asked: Premise: "A man in plaid with black sunglasses plays on an acoustic guitar."
Hypothesis: "A man plays his guitar at a country concert on stage."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Plays on an acoustic guitar does not necessarily mean at a country concert. The answer is it is not possible to tell.