Student asked: Can we conclude from "The rugby players in red are wrestling the player in yellow to the ground." that "The yellow player just scored a goal."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Wrestling the player in yellow to the ground does not imply that he just scored a goal. The answer is it is not possible to tell.

Student asked: Given the sentence "A guy in a black shirt climbing rocks near water." can we conclude that "An elderly man in a black shirt and black pants is rockclimbing near a waterfall."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The guy is not necessarily elderly. He may or may not also have black pants on. Just because he is climbing rocks near water does not necessarily mean he is rockclimbing near a waterfall. The answer is it is not possible to tell.

Student asked: Premise: "A group of hikers looks at the tops of mountains."
Based on this premise, can we conclude that the hypothesis "The group looked down at the bottom of the mountains." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A group that is looking at the bottom of the mountains cannot look at the tops of the mountains at the same time. The answer is no.

Student asked: Premise: "Shirtless man laying on a towel in the grass."
Hypothesis: "Nobody is laying."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. If nobody is laying then there are no Shirtless man laying. The answer is no.