Premise:
"Highest were those of foreign extraction such as Turks, Arabs, Afghans, and Persians, known as ashraf (that is, honorable )."
Hypothesis: Ashraf foreigners are highest.

yes

Premise:
"'Why? I don't speak Russian.'"
Hypothesis: I speak Russian very well.

no

Premise:
"um-hum well you must have done something you're you're helping your children in school and you're you know"
Hypothesis: You are assisting your children with their homework.
it is not possible to tell