Premise:
"This feeling was quickly drowned out by the depression sinking through my stomach."
Hypothesis: I kept the feeling despite the depression feeling in my stomach.

no

Premise:
"But even those who don't should realize that Buchanan's method--forming his conclusions based on prejudice, then rustling up the support for them--invariably produces bad history."
Hypothesis: Buchanan's method is excellent and produces factual history.

no

Premise:
"so Linda uh-huh so it sounds like you like to read"
Hypothesis: So you like to read non-fiction, Linda?
it is not possible to tell