Student asked: Premise: "A boy is standing on a snowboard in front of a crowd."
Hypothesis: "A boy is reading a book at home."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The boy is either standing or reading and he can either be at home or in front of a crowd. The answer is no.

Student asked: If "The lady smiles on a clear day." does that mean that "The lady is standing outside."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The lady smiles on a clear day is not necessarily standing outside. The answer is it is not possible to tell.

Student asked: Given the sentence "A man with a knife in front of a cake." is it true that "A chef is holding a giant knife in front of a wedding cake."?
Teacher's response: Let's think. A chef is not always a man. Not all knives are giant. A cake does not imply a wedding. The answer is it is not possible to tell.

Student asked: If "A woman watches a man recieving a gift." does that mean that "A man proposes to a woman with a wedding ring in his hand."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man is either receiving a gift or proposes to a woman. The answer is no.