instruction:
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").
question:
Fact1: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Tulips perform best in a sandy, organically enriched soil., Question: Earthworms help form and add what to soil (A) Sediment (B) organic material (C) Converting waste. (D) bacteria (E) heat (F) Chemical energy (G) grass (H) acidity
answer:
B


question:
Fact1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil, Fact2: Roots gather plant nutrients., Question: What does looseness of soil have an impact on? (A) age of the plant (B) viability of plant (C) important habitats (D) bloom time (E) climate (F) water retention (G) Plants growth (H) genetic diversity
answer:
G


question:
Fact1: exercise increases a body 's strength, Fact2: Strength training is also effective for increasing bone strength in older adults., Question: A good way for older adults to strengthen bones is to  (A) Through play (B) drive more slowly (C) exercise (D) use a hearing aid (E) quadriceps (F) donate bone marrow (G) sweating (H) movement
answer:

C