Student asked: Premise: "The boy in red swimming trunks is jumping on the sand."
Hypothesis: "The boy is playing in the sand."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Jumping on the sand does not imply playing in the sand. The answer is it is not possible to tell.

Student asked: Premise: "A red-clothed snowboarder is performing an aerial trick."
Hypothesis: "The snowboarder is on the ground."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. If a snowboarder is performing an aerial trick they are not on the ground. The answer is no.

Student asked: Premise: "Two women are sitting in rose-colored wing back chairs as one points over her shoulder at a colorful human figure."
Based on this premise, can we conclude that the hypothesis "The women are at the beach." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Wing back chairs are intended to be placed inside not on a beach. The answer is no.

Student asked: Given the sentence "A skateboarder jumps off his skateboard in midair in hopes of landing back on it." can we conclude that "A skateboarder happily jumps."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. No indication that he/she is happily jumping anything. Could be just jumping. The answer is it is not possible to tell.