QUESTION: Can we conclude from "A man wearing a green scarf is using a pottery wheel." that "The man was watching tv."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Using a pottery wheel is a different hobby than watching TV.
The answer is no.


QUESTION: Can we conclude from "An indian man is scratching the back of his head while thinking." that "An indian man scratches an itch on his head."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Scratching the back of his head is not necessarily because of an itch on his head.
The answer is it is not possible to tell.


QUESTION: Premise: "A man sitting outside trying to sell lemonade."
Hypothesis: "A man is sitting behind a lemonade stand."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
A man outside trying to sell lemonade does not necessarily imply behind a lemonade stand.
The answer is it is not possible to tell.