Not all men are old.The fact that a man with glasses and gray hair is reading a card in front of two tuba players doesn't imply that he is reading a birthday card.. So what could be the question?
Question followed by answer: Given the sentence "A man with glasses and gray hair is reading a card in front of two tuba players." is it true that "An old man is reading a birthday card."?
it is not possible to tell

People can be working to clear the debris and excess materials without prepping for Earth Day.. So what could be the question?
Question followed by answer: If "People working to clear the debris and excess materials after building highway bridge." does that mean that "They are prepping for earth day."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

Bowing heads and wearing long-sleeve shirts are not necessarily indicators of praying.. So what could be the question?
Question followed by answer: Test for natural language inference.
Premise: "A group of people bowing their heads outside with long-sleeve shirts on."
Hypothesis: "A group of people are praying."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

That the male jockey rides a horse doesn't necessarily mean it is leading the other jockeys.. So what could be the question?
Question followed by answer:
Premise: "A male jockey riding a horse as it vaults over an obstacle."
Hypothesis: "This jockey is leading the other jockeys."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell