Q: Premise: "A group of teens waving at the camera."
Hypothesis: "Senior citizens get their picture taken."
Do we know that the hypothesis entailed by the premise?
A: Either a group of teens are waving at a camera or senior citizens are getting their picture taken.
The answer is no.

QUESTION: If "Crosscountry skier striding ahead." does that mean that "A crosscountry skier competes in a race."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A skier striding ahead does not mean the skier is on skis or that the skier competes in a race.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A band playing on stage." is it true that "With one man on keyboards and the other playing a red guitar."?
A band is standing on their tour bus while it goes down the highway.
The answer is no.

Q: Premise: "A man wearing a black shaggy hat and leopard printed sash with red accents is holding a drum that says premier on it."
Hypothesis: "A man is holding a drum."
Do we know that the hypothesis entailed by the premise?
A: A man is holding a drum that says Premier on it is possible only when man is holding a drum.
The answer is yes.

QUESTION: Premise: "Black dog swims behind two people on an inflatable blue raft."
Hypothesis: "Two people are on an inflatable blue raft with a black dog swimming after them."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A dog swimming after them is another way of saying a dog swims behind them.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "Two women on rollerskates with helmets and elbow and knee pads jostle one another as they skate."
Hypothesis: "The championship roller derby match is in progress."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Two women skating and jostling each other aren't necessarily in a championship match.
The answer is it is not possible to tell.