Premise:
"I don't know, confessed Tuppence."
Hypothesis: Tuppence admitted that she didn't know.

yes

Premise:
"well those things must take up a huge amount of space in landfills"
Hypothesis: Those things would require a lot of land at the dump.

yes

Premise:
"(The exception is the cast of non-Jewish locals, who are almost all soap operaish white trash.)"
Hypothesis: The production company thought that a certain type of person should be cast to portray the group of non-Jewish locals.
it is not possible to tell