In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[Q]: You can find ferrous metals in (A) Grass (B) Vehicle scraps (C) Wood (D) Glass
[A]: B


[Q]: The cell membrane keeps a cell from (A) replicating (B) getting lost (C) falling apart (D) running away
[A]: C


[Q]: which one of these individuals would have the most optimal quality of life? (A) a doctor who sleeps six hours daily (B) a nurse who nine hours of shut eye daily (C) a student who sleeps 2 hours daily (D) a teacher who sleeps 5 hours daily
[A]:
B