[Q] If "Two vancouver policemen riding bikes on a busy street." does that mean that "Two people are riding bikes outside."?
Options:
- yes
- it is not possible to tell
- no
[A] Two Vancouver policemen riding bikes on a busy street means they are outside.
The answer is yes.

[Q] Premise: "A cross guard helps people get across the street."
Hypothesis: "A crossing guard is helping people and more people come along."
Do we know that the hypothesis entailed by the premise?
[A] A cross guard helps people cross the street does not imply more people come along.
The answer is it is not possible to tell.

[Q] Premise: "A man in a red helmet holds a bullhorn."
Hypothesis: "The man who was wearing a red firefighting helmet was also holding a bullhorn full of water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] Not all red helmets are firefighting helmets and there is no indication that the bullhorn is full of water.
The answer is it is not possible to tell.