Student asked: Premise: "A young man in a hard hat and safety vest sitting in a pickup while another man holds on in the passenger seat."
Hypothesis: "Nobdoy has a hat."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A young man has a hard hat so there is someone with a hat. The answer is no.


Student asked: Premise: "Customers wait in line while the workers in green shirts help them."
Based on this premise, can we conclude that the hypothesis "The customers have waited for a long time." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all customers waiting in line while the workers in green shirts help them have waited for a long time. The answer is it is not possible to tell.


Student asked: Given the sentence "Five people in clear blue water preparing to scuba dive." is it true that "The people in the water are divers."?
Teacher's response: Let's think. The people must be divers if they are going scuba diving. The answer is yes.


Student asked: Given the sentence "The american football team in white are attempting to stop the player in red who is running with the ball." can we conclude that "The football team in white jerseys is playing against a team wearing red jerseys."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. One football team is wearing white and the other is wearing red. The answer is yes.