Practicing a martial art in a room together implies that they are in the middle of a martial arts class.
The question and answer are below.
Premise: "People are in a room practicing a martial art."
Hypothesis: "People are in the middle of a martial arts class."
Do we know that the hypothesis entailed by the premise?
yes

Trimmed a beard does not imply the person is a customer.
The question and answer are below.
Can we conclude from "An older gentlemen getting his beard trimmed by a younger barber." that "A young barber trims a customer's beard."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

Se could be actively typing on the laptop not just starring at it.
The question and answer are below.
Can we conclude from "A woman is sitting on a flight of stairs and smoking while using a laptop." that "A woman smoking while starring at the laptop."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell