Two teenagers play a game of miniature golf on a sunny day.
The question and answer are below.
Test for natural language inference.
Premise: "Two girls playing tennis."
Hypothesis: "The girl in the forefront is serving the tennis ball to her opponent."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
no

*****

Group of roller skaters implies that there is a group of people with roller skates. A skate park is a specific type of park.
The question and answer are below.
Given the sentence "Group of rollerskaters in a skate park." can we conclude that "There are a group of people with rollers kates in a park."?
Options:
- yes
- it is not possible to tell
- no
yes

*****

A concert can have a band playing guitars on stage with an audience.
The question and answer are below.
Given the sentence "A concert in which the two people on stage both hold guitars." is it true that "People are at a concert."?
yes

*****

A man is a person. Trains is the same as teaching. A dog is an animal.
The question and answer are below.
Given the sentence "A man trains a dog to attack." is it true that "A person is teaching an animal."?
yes

*****