Student asked: Test for natural language inference.
Premise: "Two ladies in denim sit talking to each other while another girl with a yellow plastic bag sits on the side."
Hypothesis: "Two ladies sit talking to each other."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Two ladies sit talking to each other is same as two ladies sit talking to each other. The answer is yes.


Student asked: If "Man and woman enjoying a skydive." does that mean that "A pair of adults fall through the air."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A pair of adults fall through the air is a less attractive way to say they are skydiving. The answer is yes.


Student asked: If "Elderly man with accordion poses for camera." does that mean that "The old guy with the accordion is playing really bad."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Elderly man with accordion poses for camera does not necessary that he is playing really bad. The answer is it is not possible to tell.


Student asked: Given the sentence "A woman hammers a piece of hot metal on an anvil." can we conclude that "A man is hammering."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The same subject cannot be both a woman and a man. The answer is no.