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 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
F

Fact1: Evolution is a change in the characteristics of living things over time., Fact2: Trees are the largest of living things., Question: Evolution changes the characteristics of what over time? (A) the Moon (B) Man (C) life (D) trees (E) rocks (F) the Sun (G) humans (H) plants
D

Fact1: glass cause refraction of light, Fact2: Prisms are round pieces of glass., Question: What do prisms do to light? (A) focusing a lens (B) Refract it (C) Reflect it (D) protect them (E) Absorb it (F) observe it (G) It expands (H) Diffraction

B