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: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil?  (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees
answer:
A


question:
Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy schemes capture water at high tide and release it at low tide., Question: What can be produced by capturing water at high tide? (A) more fish (B) clearer water (C) mussels (D) warm water (E) an image (F) electricity (G) a delta (H) watershred
answer:
F


question:
Fact1: Sponges have specialized cells called collar cells., Fact2: Special cells called collar cells pick up the planktonic food and start the digestive process., Question: What do sponges use to collect and digest food? (A) bloated stomachs (B) non-bacterial prokaryotes (C) specialized cells (D) holding nutrients (E) dermal & vascular tissue (F) specialized limbs (G) large mouth (H) unicellular organisms
answer:

C