In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Ex Input:
Fact1: erosion of soil has a negative impact on the environment, Fact2: Weathering and erosion continue to shape it today., Question: What has a negative impact on the environment? (A) harmful substances (B) weathering of soil (C) saving water (D) planting trees (E) deforestation (F) massive damage (G) recycling (H) enormous damage to homes

Ex Output:
B


Ex Input:
Fact1: plant reproduction requires pollination, Fact2: Perennial types are planted outside in spring., Question: what reproduction requires pollination? (A) humans (B) They lay eggs (C) Tropical (D) bees (E) insects (F) subtropical (G) perennials (H) heterotrophs

Ex Output:
G


Ex Input:
Fact1: an animal requires nutrients for survival, Fact2: Animals acquire nutrients by ingestion., Question: What do animals use ingestion for? (A) Energy. (B) energy (C) reproduction (D) survival (E) excretion (F) growth (G) cooling (H) food

Ex Output:

D