Premise: you know it's interesting um-hum

Hypothesis: That is not really that interesting.
Answer: no

Premise: There are many different establishments to choose from, each with its own clientele and style.

Hypothesis: The establishments all have the same style.
Answer: no

Premise: He was reasonably sure by now that they had no transistors, signal generators, frequency meters or whatever else he could demand.

Hypothesis: They had everything he needed.
Answer: no

Premise: First of all, my extreme apologies for the spelling mistake.

Hypothesis: I wasn't aware that I had made mistakes in my spelling.
Answer: it is not possible to tell