Q: Does "There are very few existing mosaics from the Komnenian period but this paucity must be due to accidents of survival and gives a misleading impression." provide a valid answer to "Why are there so few surviving mosaics from the Komnenian period?"?
A: yes

Q: Does "In 1855, Washington Territorial Governor Isaac Stevens negotiated the Hellgate treaty between the United States Government and the Salish, Pend d'Oreille, and the Kootenai people of western Montana, which established boundaries for the tribal nations." provide a valid answer to "What did the treaty establish?"?
A: no

Q: Does "The lyrics of the modern Japanese national anthem, Kimi ga Yo, were written in the Heian period, as was The Tale of Genji by Murasaki Shikibu, one of the first novels ever written." provide a valid answer to "The Pillow Book was a collection of whose observations of the imperial court?"?
A: no

Q: Does "Soon, the extract was demonstrated to work in people, but development of insulin therapy as a routine medical procedure was delayed by difficulties in producing the material in sufficient quantity and with reproducible purity." provide a valid answer to "Before insulin, what was the life expectancy of diabetics?"?
A:
no