Premise: "A woman is holding her hand to the light as a man watches."
Based on this premise, can we conclude that the hypothesis "A man watches a woman." is true?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: A man who watches a woman hold her hand to light does just that..

Given the sentence "Old man walking on the sidewalk." is it true that "A man is walking during a snow storm."?

it is not possible to tell
Explanation: Not all old men walking down the sidewalk are walking during a snow storm..

Test for natural language inference.
Premise: "A boy at a skate park prepares to slide down a ramp."
Hypothesis: "A boy is at a skate park."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: Boy at a skate park is the same as a boy at a skate park..

Premise: "A yellow firetruck is parked next to a fire with a man on a ladder pouring water on it."
Hypothesis: "The man on the ladder is a fire fighter."
Do we know that the hypothesis entailed by the premise?
yes
Explanation: The firetruck man on the ladder pouring water on the fire is obviously a firefighter..