An older man who sits cannot at the same time be standing.
The question and answer are below.
If "An older man sits and several people stand." does that mean that "An older man is standing while everyone else sits."?
Options:
- yes
- it is not possible to tell
- no
no

Not all man tossed from his boogie board by a large wave is learning how to use the boogie board.
The question and answer are below.
Can we conclude from "The man is tossed from his boogie board by a large wave." that "A man was learning how to use the boogie board."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

Just because a BMX biker is performing a trick doesn't mean it's in a BMX competition.
The question and answer are below.
Premise: "A bmx biker performing a trick high above the ground with trees covering the background."
Hypothesis: "The biker is performing in a bmx competition."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell