Premise:
"Maybe Doc Matthews ain't here, after all. "
Hypothesis: Perhaps Doc Matthews isn't here after all.

yes

Premise:
"To begin with, said Tuppence, "what have we to go upon?""
Hypothesis: What are our chances of winning, said Tuppence.

it is not possible to tell

Premise:
"In Arizona, where a heavy Hispanic turnout was 10-to-1 for Clinton, Democrats won for the first time since 1948."
Hypothesis: Democrats hadn't won an election in Arizona since before 1950.
yes