Student asked: Given the sentence "A man in an orange jacket is looking at stones stacked in columns." is it true that "A man in an orange jacked looks at some stones."?
Teacher's response: Let's think. The stones that the man looks at are the stoned stacked in columns. The answer is yes.

Student asked: Premise: "A skateboarder is perfecting his trick on a wall."
Hypothesis: "A boy is riding a bicycle."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A skateboarder cannot be perfecting a trick while also riding a bicycle at the same time. The answer is no.

Student asked: Given the sentence "Construction worker leaning against under a crosswalk light." is it true that "A worker is taking a break."?
Teacher's response: Let's think. The worker can be just waiting on someone to arrive and not taking a break. The answer is it is not possible to tell.

Student asked: Can we conclude from "A white race car splashes through a puddle on a dirt road." that "The race car driver is practicing in the rain."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The race car driver doesn't have to be practicing in the rain to splash through a puddle. The answer is it is not possible to tell.