Q: Does "In 1913, Elmer McCollum discovered the first vitamins, fat-soluble vitamin A, and water-soluble vitamin B (in 1915; now known to be a complex of several water-soluble vitamins) and named vitamin C as the then-unknown substance preventing scurvy." provide a valid answer to "Which disease was vitamin C claimed to help prevent?"?
A: yes

Q: Does "He was raised with an elder sister named Margaret (born 1941), a younger sister named Diana (born 1947) and a younger brother named Cameron (born 1950)." provide a valid answer to "What is Kerry's older sibling's name?"?
A: yes

Q: Does "In haplodiploidy, which is a type of sex-determination system, the offspring's sex is determined by the number of sets of chromosomes an individual receives." provide a valid answer to "Polymophism is a developmental and reproductive what?"?
A: no

Q: Does "For shorter-range work, a lighter weapon with a higher rate of fire is required, to increase a hit probability on a fast airborne target." provide a valid answer to "At shorter ranges a light weapon with what is used on fast targets?"?
A:
yes