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").

Cellular respiration releases (A) blood (B) waste (C) snot (D) feces
B

If you fly from Europe to Australia in December, when you arrive you will most likely want to wear: (A) heavy coat (B) mittens (C) shorts (D) ski mask
C

Weakened agents are introduced to kids to prevent (A) strep (B) common cold (C) measles (D) diarrhea

C