QUESTION: Given the sentence "Two women carrying surfboards." can we conclude that "Two women are happy after a day of surfing."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Carrying surfboards does not mean happy after a day of surfing.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Little girl standing in sand at the beach."
Hypothesis: "A girl stood at the seashore."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A girl standing at the seashore implies the girl is standing at the beach.
The answer is yes.

Q: Premise: "A man by himself fishing in a river that runs through a city."
Hypothesis: "The man caught 10 fish so far."
Do we know that the hypothesis entailed by the premise?
A: Nothing about a man fishing by himself implies that he has caught 10 fish so far or that he would catch more or any at all.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A woman with sunglasses is working a control board." can we conclude that "A woman is working outdoors."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A woman with sunglasses is working a control board does not imply that he is working outdoors.
The answer is it is not possible to tell.

[QUESTION] Premise: "Four people are walking along a city sidewalk."
Hypothesis: "While the one in the green hat talks on a cellphone."
Do we know that the hypothesis entailed by the premise?
A businessman is plotting to leave his submarine in the fall.
The answer is no.

Q: Given the sentence "A band member in a pink shirt is singing and playing the guitar." is it true that "Ther band is playing a sold out concert."?
A:
A man singing and playing the guitar doesn't imply he is playing at a sold out concert.
The answer is it is not possible to tell.