Student asked: If "A white-haired man and a brown hair lady are walking together and holding hands." does that mean that "A couple is on vacation."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A white-haired man and a brown hair lady walking together and holding hands does not imply they are a couple on vacation. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "These people are cooking lots of food."
Hypothesis: "A group of people are preparing a huge feast for a wedding."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. These people are cooking lots of food does not mean that they are preparing a huge feast for a wedding. The answer is it is not possible to tell.

Student asked: Premise: "People are walking in times square in new york city."
Based on this premise, can we conclude that the hypothesis "People walk around new york city before the new year's celebration." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Being in Times Square does not imply it is before the New Year's celebration. The answer is it is not possible to tell.

Student asked: Given the sentence "A dad playing with his two girls." is it true that "Two sisters play with their father."?
Teacher's response:
Let's think. Two sisters or girls play with their father or dad are equivalent. The answer is yes.