Does the sentence "The long military campaigns had forced citizens to leave their farms to fight, while their farms fell into disrepair." provide a valid answer to the question "What had caused citizens to vacate their farms?"

A: yes

Does the sentence "Mark Dybul: "we have the tools to end TB as a pandemic and public health threat on the planet, but we are not doing it." provide a valid answer to the question "What population segment in China struggles to get follow-up care for TB infection?"

A: no

Does the sentence "Further cultural subdivisions according to tool types, such as Olduwan or Mousterian or Levalloisian help archaeologists and other anthropologists in understanding major trends in the human past.[citation needed]" provide a valid answer to the question "Olduwan, Mousterian, and Levalloisian are all types of what?"

A: yes

Does the sentence "The biography of Chopin published in 1863 under the name of Franz Liszt (but probably written by Carolyne zu Sayn-Wittgenstein) claims that Chopin "must be ranked first among the first musicians ... individualizing in themselves the poetic sense of an entire nation."" provide a valid answer to the question "In his review Schumann made note of Chopin's emotions for what?"

A:
no