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: Cells are organized into tissues, and tissues form organs., Fact2: Major organs, including the kidneys and liver, begin to grow., Question: what forms the liver? (A) bile (B) alcohol (C) stones (D) animals (E) ovaries (F) cells (G) meat (H) humans
[A]: F


[Q]: 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
[A]: A


[Q]: Fact1: melting is when solids are heated above their melting point, Fact2: Colloidal systems are suspensions of solid matter in liquids., Question: Melting is when something that is part of what is heated above its melting point? (A) organic molecules (B) gas (C) measuring system (D) Water expanding (E) colloidal system (F) objects that have mass (G) pot (H) an object
[A]:
E