Q: Does "Some of these exchange students started private schools for higher educations, while many samurai took pens instead of guns and became reporters and writers, setting up newspaper companies, and others entered governmental service." provide a valid answer to "What kind of schools did samurai start?"?
A: yes

Q: Does "Bird migration routes have been studied by a variety of techniques including the oldest, marking." provide a valid answer to "How have swans been marked?"?
A: no

Q: Does "Throughout this period and into the early Middle Ages, some Jews assimilated into the dominant Greek and Latin cultures, mostly through conversion to Christianity.[better source needed]" provide a valid answer to "During the Middle Ages, some Jews assimilated into the dominant Greek and Latin cultures by doing what?"?
A: yes

Q: Does "The Byzantine Empire was able to take advantage of the turmoil to expand its political influence and commercial relationships, first with the Khazars and later with the Rus' and other steppe groups." provide a valid answer to "What did the Byzantine empire use to expand its political influence?"?
A:
yes