[Q] Can we conclude from "An indoors basketball game is in progress among racially-mixed group of males; one holds the ball with two hands overhead." that "The two teams are old rivals."?
Options:
- yes
- no
- it is not possible to tell
[A] The fact that indoor basketball game among racially-mixed group doesn't imply two teams are old rivals.
The answer is it is not possible to tell.

[Q] If "A skier is coming down a hill." does that mean that "A surfer on the ocean."?
Options:
- yes
- it is not possible to tell
- no
[A] A skier skies on mountains which a surfer does not do.
The answer is no.

[Q] Test for natural language inference.
Premise: "A woman in a red skirt has thrown a green ball with yellow streamers into the air."
Hypothesis: "There is a lady carrying childrens in her both hands."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Person that is carrying children on both hands will not be able to throw a green ball.
The answer is no.