Man reading off of laptop while giving a presentation means he must be a teacher reading his notes off his computer and giving presentation.
The question and answer are below.
Can we conclude from "Man reads off of laptop while giving a presentation with a lighted advertisement sign behind him." that "The teacher was reading his notes off his computer and giving a presentation."?
Options:
- yes
- no
- it is not possible to tell
yes

*****

People can be in a building for other reasons besides working.
The question and answer are below.
Premise: "The beautiful oriental building is being occupied."
Hypothesis: "People are working in the building."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

*****

A man is not a girl and drums are not the same as a guitar.
The question and answer are below.
Premise: "A black-haired man playing a guitar."
Based on this premise, can we conclude that the hypothesis "A girl plays drums." is true?
Options:
- yes
- it is not possible to tell
- no
no

*****

The man is either eating or he is riding a bike.
The question and answer are below.
Premise: "A man in a gray jacket is eating a sandwich."
Hypothesis: "A man with gray jacket is riding bike."
Do we know that the hypothesis entailed by the premise?
no

*****