QUESTION: Given the sentence "Two men each carrying a stick playing a sport competition." is it true that "Two men compete in sports to win prizes."?

Let's solve it slowly: Playing in a competition does not imply it is to win prizes.
The answer is it is not possible to tell.


QUESTION: Test for natural language inference.
Premise: "A skier jumps a snowdrift high in the trees."
Hypothesis: "The skier is an olympian."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A skier who jumps a snowdrift is not necessarily an Olympian.
The answer is it is not possible to tell.


QUESTION: Given the sentence "A group of people are surfing in the ocean." can we conclude that "There is more than one surfer."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The mention that a group of people are surfing are a definite indication that there is more than one surfer.
The answer is yes.