Premise:
"No, you must be wrong." As Dave remembered it, Tesla had been plagued by similar doubts from such men as Edison."
Hypothesis: Dave did not know anything about Tesla.

no

Premise:
"It only makes sense to worry about the time it takes to put on a seat belt if it actually results in a delay in our progress."
Hypothesis: Putting on a seat belt usually takes minimal time and rarely leads to a delay in progress.

it is not possible to tell

Premise:
"The historic walled heart of Jerusalem dates back beyond the time of Christ."
Hypothesis: The walled center of Jerusalem is a very modern area.
no