Premise: It's the right one, I suppose? asked Tommy doubtfully.

Hypothesis: Tommy wasn't certain whether it was the right or wrong one.
Answer: yes

Premise: The old man sighed, his face slumping into lines of fatigue and age.

Hypothesis: Yet, behind his leather face he was happy.
Answer: it is not possible to tell

Premise: you know what reading i do i kind of do because it's you know it's the necessary stuff as far as fun reading you know i maybe get to read the Sunday paper but

Hypothesis: I do not like to read the paper at all.
Answer: no

Premise: Be quick before I change my mind and think of something worse!" Dave didn't see what he did this time, but there was a puff of flame in front of his eyes.

Hypothesis: He did something powerful, which Dave couldn't catch.
Answer: yes