QUESTION: Can we conclude from "Group of young women and men dressed formally eat their lunches." that "They were at a conference."?
Options:
- yes
- no
- it is not possible to tell

SOLUTION: Let's solve this gradually. People can be dressed nice without having been at a conference.
Answer is it is not possible to tell.

QUESTION: Premise: "A smiling post office worker proudly shows off his four wheeled mailbag carrier."
Hypothesis: "A snarling postal worker throws his mailbag across the room."
Do we know that the hypothesis entailed by the premise?

SOLUTION: Let's solve this gradually. The worker that proudly shows off his four wheeled mailbag carrier cannot be the same that throws it across the room.
Answer is no.

QUESTION: Test for natural language inference.
Premise: "A young girl is picking blossoms from a tree."
Hypothesis: "A young girl is picking from a tree."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

SOLUTION: Let's solve this gradually. Girl is picking from a tree is rephrasing girl is picking blossoms from a tree by shortening it.
Answer is yes.

QUESTION: Given the sentence "A group of male and female bicyclists ride down a street on a sunny day." is it true that "A group of people on bikes taking a ride on a bright day."?

SOLUTION:
Let's solve this gradually. A group of male and female can be described as a group of people. A bright day would would imply it is a sunny day.
Answer is yes.