Premise: The chain wielder drew back and began to swing the chain again in large overhead arcs that made the whole crowd duck.

Hypothesis: The chain wielder was alone.
Answer: no

Premise: He'd probably have to do something about his name, but the rest of the conversation was a mystery to him.

Hypothesis: He breathed a sigh of relief knowing that he didn't have to do anything about his name.
Answer: no

Premise: Where does he find the funds for this endless life on trains?

Hypothesis: The man has never been on a train.
Answer: no

Premise: It was rebuilt by the Emperor Valens in the fourth century, restored several times by both the Byzantines and Ottomans, and remained in use up to as recently as the 19th century.

Hypothesis: It was becoming worn out and people thought they should not use it.
Answer: it is not possible to tell