Premise: Dem's book was part of the flood of Ancient Astronaut books inspired by the huge success of Erich von Daniken's Chariots of the Gods?

Hypothesis: Erich con Daniken was not an author.
Answer: no

Premise: What makes you think there was salt in it? asked Poirot.

Hypothesis: What gives you the idea that it contained salt? asked Poirot.
Answer: yes

Premise: Klayman has hounded Keller ever since.

Hypothesis: Klaymen has never hounded Keller at any point.
Answer: no

Premise: What controls heartbeats in Hong Kong are the fluctuations of the Hang Seng Index, foreign currency exchange rates, and skyrocketing property prices.

Hypothesis: The Hang Seng Index fluctuates a lot every day.
Answer: it is not possible to tell