Premise:
"It is said that Queen Margaret, later Saint Margaret, traveled this route regularly in the late 11th century and that the town took its name from her journeys."
Hypothesis: It is said that Queen Margaret took the same path for her travels.

yes

Premise:
"Duty free in Singapore,' Czarek boasted, and everybody stared in awe, and even Herman was impressed."
Hypothesis: Everyone was excited until they realised duty free in Singapore is very expensive.

it is not possible to tell

Premise:
"Slaves dueled among the filth of the smaller pits."
Hypothesis: Slaves fought in the filthy small pits.
yes