[QUESTION] Test for natural language inference.
Premise: "Older man in full denim welds metal on workbench."
Hypothesis: "Older man watches youtube."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The man can't weld metal at the same time as he watches Youtube.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Young man using a microphone."
Hypothesis: "A guy is talking to a big crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Using a microphone does not mean one is talking to a big crowd.
The answer is it is not possible to tell.

[QUESTION] If "Four men- one looking at a book- sit in front of laptops." does that mean that "Four men sitting together."?
Options:
- yes
- it is not possible to tell
- no
The men sit in front of laptops which implies they are sitting together.
The answer is yes.

[QUESTION] If "A boy leaping to catch a flying frisbee." does that mean that "A boy is leaping to catch a dog."?
Options:
- yes
- it is not possible to tell
- no
One can be leaping to catch either a Frisbee or a dog.
The answer is no.