People can not be laughing and witness a horrible car accident at the the same time.
The question and answer are below.
Test for natural language inference.
Premise: "A man and woman are apparantly laughing."
Hypothesis: "The 2 people have just witnessed a horrible car accident involving family members."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
no

The man's head is blocking the important part of a photograph.
The question and answer are below.
If "If it were not for the top of some man's head." does that mean that "One would see a group of boy scouts sitting in front of a barricade surrounding a crowd of people holding english flags in birmingham."?
Options:
- yes
- it is not possible to tell
- no
yes

A man stands next to a police van doesn't necessarily mean that is being arrested.
The question and answer are below.
Premise: "A gray-haired man stands next to a police van."
Hypothesis: "A man is being arrested."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell