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").

Fact1: a pesticide is used for protecting plants by killing insects, Fact2: Pesticides also kill beneficial insects that pollinate flowers and prey upon harmful insects., Question: What is used for protecting plants while killing beneficial pollinators? (A) watering cans (B) dangerous (C) toxins (D) pesticide (E) irrigation (F) exoskeleton (G) steroids (H) plant food
D

Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Like other ants, the fire ant is a social insect., Question: What may live in large colonies? (A) animals (B) tigers (C) tardigrades (D) fire ants (E) bears (F) honeybees (G) orchids (H) graptolites
D

Fact1: Plants use unsaturated fatty acids to store energy., Fact2: All oaks are plants., Question: What uses unsaturated fatty acids to store energy? (A) algae (B) humans (C) Trees (D) oaks (E) shrews (F) asses (G) Cane. (H) fens

D