Problem: Here is a premise:
Not everyone is deflating however.

Here is a hypothesis:
Many people are deflating.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
But no one would dream of suspecting Bauerstein, or think of taking another sample "except Poirot," I added, with belated recognition.

Here is a hypothesis:
Only Poirot would think to recheck the work of Bauerstein, whom everyone else agreed was above suspicion.

Here are the options:

Answer: yes

Problem: Here is a premise:
Emergent political parties in Jacksonian America were intertwined with the federal postal system.

Here is a hypothesis:
America, from it's very conception, never had any political parties.

Here are the options:

Answer: no

Problem: Here is a premise:
In this cavernous emporium you'll have your pick of fresh Martinique pineapples, coconut slices, or the pungent baby limes so loved in the West Indies.

Here is a hypothesis:
There is no fruit of any kind available inside the emporium.

Here are the options:

Answer:
no