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: Plants are the major producers in terrestrial biomes., Fact2: Grasses are very distinctive plants., Question: What is a producer in terrestrial biomes? (A) food (B) Oak (C) mammals (D) flowers (E) earth (F) grass (G) Trees (H) mushrooms
F

Fact1: rain causes erosion, Fact2: Erosion of dunes leads to erosion of the beach and of the Island., Question: What can destroy dunes? (A) wind (B) fire (C) turtles (D) storms (E) clams (F) heat (G) rain (H) grain
G

Fact1: Some viruses have an envelope of phospholipids and proteins., Fact2: Proteins are sometimes coats of a virus., Question: what do some viruses have a coating of? (A) chromosomes (B) calories (C) aqueous solution (D) bioaerosols (E) acetic acid (F) phospholipids (G) DNA (H) a cuticle

F