Premise: "The brown dog is on the wooden stage with people behind it."
Hypothesis: "The dog was left home during the play."
Do we know that the hypothesis entailed by the premise?

no
Explanation: If the dog is on the stage it couldn't have been left home..

Test for natural language inference.
Premise: "A man is playing a trombone while looking at a music stand on the left of the screen."
Hypothesis: "A man plays a trombone in the music concert."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: A man playing a trombone while looking at a music stand may or may not be at a concert..

If "A boy in a yellow shirt is walking on a beach holding a surfboard." does that mean that "A surfer is walking on a beach."?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: A boy can be holding a surfboard without always being a surfer..

Given the sentence "A man lounges in his room without eating for days." is it true that "The man does not need to eat because he is immortal."?
no
Explanation: The man going without eating and no need to eat are two different things..