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").

[Q]: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Vines are perennial, deciduous climbing plants., Question: What sheds their leaves seasonally each year? (A) camels (B) oak (C) Spruce (D) fens (E) Trees (F) burrs (G) apples (H) vines
[A]: H


[Q]: Fact1: Some viruses can cause cancer., Fact2: Cancer is an example of a mutation in cells., Question: What can mutate cells? (A) Allergies (B) water (C) fruits (D) flow of electrons (E) vegetables (F) harmful substances (G) rays or beams (H) some viruses
[A]: H


[Q]: Fact1: nectar is used for attracting pollinators by plants, Fact2: Nectar Nectar is the sugary liquid produced by many flowers., Question: What do flowers use to attract pollinators?  (A) sun light (B) hormones (C) buzzing (D) honey (E) sugary liquid (F) hydrogen and oxygen (G) Electrical energy (H) organic molecules
[A]:
E