Premise: What's more, the white-black marriage rate lags significantly behind rates of white intermarriage with other, nonblack races.

Hypothesis: There is a higher rate of white-black marriage rates than any other interracial marriages.
Answer: no

Premise: Food is an important part of any visit to Lyon; superchef Paul Bocuse is based here and has many local rivals.

Hypothesis: Food is part of any trip.
Answer: yes

Premise: But you can't at once, cried Tuppence.

Hypothesis: "You cannot at once", said Tuppence.
Answer: yes

Premise: Much academic debate surrounds the exact date of the Trojan War, if indeed it ever took place.

Hypothesis: In addition to not being sure of the date, academics are also uncertain about who the Trojans were.
Answer: it is not possible to tell