Given the sentence "Two women talk while walking downtown." is it true that "Two lawyers discuss their last case while walking together."?

it is not possible to tell
Explanation: Two women talk while walking does not necessarily discuss their last case..

Premise: "Four firefighters in yellow helmets direct a hose."
Hypothesis: "Firefighters are trying to put out a fire."
Do we know that the hypothesis entailed by the premise?

it is not possible to tell
Explanation: A firefighter that directs a hose does not have to be trying to put out a fire..

Given the sentence "Female volleyball player attempts to set the ball over the net." is it true that "A woman is wearing a volleyball uniform."?

it is not possible to tell
Explanation: Being a volleyball player doesn't imply that she's wearing a uniform..

Given the sentence "While sun is setting." is it true that "Boy is blowing bubbles by rocks new lake or ocean."?
it is not possible to tell
Explanation: The sun is setting and a boy is blowing soap bubbles by rocks at the bay..