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").

Ex Input:
migration is when what move to different locations in an annual cycle? (A) animal figurines (B) sedentary animals (C) habitual creatures (D) currents

Ex Output:
C


Ex Input:
Mothers have many roles, one of which is (A) gestating and birthing (B) making good dinner (C) creating fun activities (D) watching the babies

Ex Output:
A


Ex Input:
Cars driving over a stone road throughout a year, including hot days and cool nights, may cause the road to (A) evaporate (B) burn (C) flood (D) break up

Ex Output:

D