Q: Given the sentence "Four people in life jackets float on a raft." is it true that "Some people are white water rafting in a river."?
A: People can float on a river and not be white water rafting.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A boat is illuminated at night."
Hypothesis: "The boat is out on the ocean."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The boat may not specifically be out on the ocean at all.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A group of people are gathering around an urban water park." is it true that "People work on building a skyscraper."?
People gathering around a water park are not building a skyscraper.
The answer is no.

Q: Given the sentence "A group of people are sitting or standing around a black circular table with laptops and water bottles." is it true that "Some people are gathered around a table."?
A: Sitting or standing around a table is being gathered around a table.
The answer is yes.

QUESTION: Premise: "A man and another person in shadow watch a street parade at night."
Hypothesis: "Its the haunted parade."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A street parade at night is not necessarily a haunted parade.
The answer is it is not possible to tell.

QUESTION: Given the sentence "The girl is swimming is a blue-green ocean." can we conclude that "The girl is in the ocean."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The girl is in the ocean because you have to be in the ocean to swim in it.
The answer is yes.