Student asked: If "A man in a suit standing behind a podium lectures to a group of people sitting at tables." does that mean that "The man is standing behind a podium."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man standing behind a podium is a man standing behind a podium. The answer is yes.

Student asked: Premise: "An older gentleman is sitting in a dark room with little light at a white small table and chairs."
Hypothesis: "An older gentleman is preparing a poker game with his friends."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The older gentleman could be doing anything else beside preparing a poker game. The answer is it is not possible to tell.

Student asked: Given the sentence "Five people stand in the grass with three dogs." can we conclude that "Nobody is standing."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. If nobody is standing it is impossible for five people to be standing. The answer is no.

Student asked: Premise: "A man breakdances on a piece of cardboard while people watch."
Hypothesis: "A man is dancing for money."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Not every man who breakdances on a piece of cardboard while people watch is dancing for money. The answer is it is not possible to tell.