Q: Does "In 1897 John Abel of Johns Hopkins University identified the active principle as epinephrine, which he isolated in an impure state as the sulfate salt." provide a valid answer to "Who first discovered epinephrine?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "In the case of Africa, one of the factors for this behavior was political instability, and the fact that new governments often confiscated previous government's corruptly obtained assets." provide a valid answer to "What was one of the factors for this behavior in Africa?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Dust and scratches cause audio clicks and pops." provide a valid answer to "What is the cause of lock grooves on vinyl records?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Rory Kinnear also reprised his role as Bill Tanner in his third appearance in the series." provide a valid answer to "Which actor portrays Bill Tanner?"?
OPTIONS:
- yes
- no
A:
yes