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").

Input: Consider Input: Fact1: when light enters the eye through the pupil , that light falls on the retina, Fact2: Images are retained on the retina of a viewer's eye for a fraction of a second after they strike it., Question: Where are images retained? (A) Retina (B) RNA (C) calcite (D) an object (E) arteries (F) energy (G) squids (H) segmented

Output: A

Input: Consider Input: Fact1: Oncogenes promote the division of cells with damaged DNA., Fact2: Oncogenes are genes that promote division., Question: genes that promote division do so with what? (A) Most plants (B) damaged DNA (C) peachleaf willow (D) Plants growth (E) Animal survival (F) Chemical energy (G) Change colors (H) Microscope

Output: B

Input: Consider Input: Fact1: rocks interacting with wind over long periods of time causes weathering, Fact2: Most sands are weathered fragments of quartz., Question: What interacting with wind over long periods of time results in sand? (A) rocks (B) soils (C) metal (D) rivers (E) wood (F) deserts (G) erosion (H) water
Output: A