Given the sentence "Two adults and four children dressed in costumes." is it true that "A pair of adults and a group of children are dressed as vampires."?

it is not possible to tell
Explanation: Costumes are of many kinds and need not be costumes of vampires..

Can we conclude from "A young woman in a black bikini brushes her long brown hair at the beach." that "A woman is getting a tan inside a tanning machine."?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: A woman cannot be getting a tan inside a tanning machine while she is at the beach..

Given the sentence "A person wearing a green and white shirt with a white hood is sitting outside on the steps of a large building while another person is lying down a few steps higher." can we conclude that "Two people sit outside of a large building on the steps."?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: A person and another person can be shortened to say two people..

Premise: "A man in midair about to land on a snowboard."
Hypothesis: "The man is about to dive in water."
Do we know that the hypothesis entailed by the premise?
no
Explanation: Someone cannot ride a snowboard and dive in the water at the same time..