A man can't be speaking into a microphone and speaking into a tuna sandwich at the same time.
The question and answer are below.
Given the sentence "A man is speaking into a microphone." is it true that "A man is speaking into a tuna sandwich."?
no

*****

The pattern of the wall does not tell that the man is talking to his boss.
The question and answer are below.
If "A man talks on his phone next to white brick wall with blue paint spattered on parts." does that mean that "The man is talking to his boss."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

*****

Workers are not necessarily men. One cannot work on a roof at the same time one is sitting on a couch.
The question and answer are below.
Given the sentence "Three workers are working on a metal roof." can we conclude that "Three men are sitting on a couch."?
Options:
- yes
- it is not possible to tell
- no
no

*****

Doing tricks implies not just riding bike in a normal fashion.
The question and answer are below.
Test for natural language inference.
Premise: "A biker is doing tricks on his bike."
Hypothesis: "The biker is not just riding his bike in a normal fashion."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes

*****