Premise: It was many millenia and several universes later when Dave Hanson finally remembered.

Hypothesis: Dave Hanson remembered that he forgot to relay a message.
Answer: it is not possible to tell

Premise: She wrote

Hypothesis: He wrote.
Answer: no

Premise: GALs are lawyers or licensed mental health counselors appointed by a court to represent a child's best interests in family proceedings.

Hypothesis: Lawyers or licensed mental health counselors appointed by the court are called gal.
Answer: yes

Premise: An important town in Roman Gaul, replacing Lyon as capital toward the end of the Empire, Arles boasts a very well-preserved amphi?theater (arynes), seating over 20,000 in the days of the gladiators.

Hypothesis: Arles was the site of gladiator battles during the Roman Empire.
Answer: yes