Q: Does "Darwin's barnacle studies convinced him that variation arose constantly and not just in response to changed circumstances." provide a valid answer to "By which year had Darwin's theory become more complex and supported by a lot of evidence?"?
A: no

Q: Does "These pubs were named after John Manners, Marquess of Granby, who was the son of John Manners, 3rd Duke of Rutland and a general in the 18th century British Army." provide a valid answer to "Who was the father of John Manners, Marquess of Granby?"?
A: yes

Q: Does "According to the records of the Spiritual Assembly of the Baha'is of Nepal, there are approximately 300 Baha'is in Kathmandu valley." provide a valid answer to "Kathmandu valley is home to about how many Baha'i?"?
A: yes

Q: Does "Agriculture employs two-thirds of the labour force, and furnishes 90% of exports, featuring coconut cream, coconut oil, noni (juice of the nonu fruit, as it is known in Samoan), and copra." provide a valid answer to "What fruit juice is a major Samoan export?"?
A:
yes