[Q] Can we conclude from "A group of firemen leaving a fire scene." that "Fire fighters have done their job."?
Options:
- yes
- no
- it is not possible to tell
[A] Leaving a fire scene implies that the fire fighters have finished and done their job.
The answer is yes.

[Q] If "Two men playing baseball." does that mean that "The two guys are wearing baseball uniforms."?
Options:
- yes
- it is not possible to tell
- no
[A] Guys are not necessarily wearing baseball uniforms if they are playing baseball.
The answer is it is not possible to tell.

[Q] Given the sentence "A woman with glasses is teaching a class on a stage." is it true that "There is a tall woman with black glasses teaching a class full of children."?
[A] Not all women are tall. Not all classes are full of children.
The answer is it is not possible to tell.