Student asked: If "A person working in a market selling various items." does that mean that "A market employee is selling items on sale."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A person working in a market does imply a market employee. The answer is it is not possible to tell.

Student asked: Given the sentence "A man with a yellow hard hat is standing on a ladder that is leaned up against a building." is it true that "There is a man fixing the masonry of a building."?
Teacher's response: Let's think. Standing on a ladder leaned up against a building doesn't mean fixing the masonry. The answer is it is not possible to tell.

Student asked: Given the sentence "A small girl in a dress blows bubbles in a grassy field." can we conclude that "The girl is blowing bubbles."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The girl blowing bubbles is a rephrasing of a girl blows bubbles. The answer is yes.

Student asked: If "Silhouette of man in front of mountain landscape." does that mean that "A man poses for a photo after hiking to the top of a mountain."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A silhouette of a man in front of a mountain landscape does not imply it is after hiking to the top of a mountain. The answer is it is not possible to tell.