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:
If a thing has a good impact on nature, it is most likely (A) putting plastics in special containers (B) burning old used tires (C) putting cigarettes out in ponds (D) using aerosol air fresheners

Ex Output:
A


Ex Input:
storms can do what to seeds via high altitudes (A) disperse them (B) plant them (C) destroy them (D) drown them

Ex Output:
A


Ex Input:
What is an example of reproduction being a stage in the life cycle process? (A) births can occur only after reproduction takes place (B) death is the last stage in the life cycle (C) reproduction mightn't guarantee a healthy life (D) life can end during reproduction

Ex Output:

A