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").

Ex Input:
Fact1: recycling has a positive impact on the environment, Fact2: Steel is a recycled and recyclable product., Question: What has a positive impact on the environment? (A) animals (B) bushes (C) energy (D) peachleaf willow (E) oysters (F) using steel (G) Solar energy (H) Green beans

Ex Output:
F

Ex Input:
Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Shade trees can be deciduous., Question: What can shed their leaves? (A) rabbit (B) Power plants (C) insects (D) swamp vegetation (E) mammals (F) Shade trees (G) animals (H) Most plants

Ex Output:
F

Ex Input:
Fact1: Ground tissue makes up most of the interior of a plant., Fact2: Vascular tissue and the roots involved can draw water into the plant from the ground., Question: Vascular tissue and roots make up the interior of what? (A) Earth (B) tissues (C) cartilage (D) Porifera (E) homes (F) plants (G) sponges (H) cells

Ex Output:
F