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: 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
[A]: D


[Q]: Fact1: soil erosion means soil loss through wind, Fact2: Hurricanes are made of wind., Question: What is soil erosion? (A) enormous damage to homes (B) movements in the earth's crust (C) soil regrowth (D) massive damage (E) soil fertilization (F) soil loss through hurricanes (G) soil loss through human works (H) fissures of hot, acidic water
[A]: F


[Q]: Fact1: Roundworms reproduce sexually., Fact2: Fertilisation is a key feature of sexual reproduction., Question: What has to happen for roundworms to reproduce? (A) Fertilization (B) rapid expansion (C) Plants growth (D) an organism's body (E) permineralization (F) bioaerosols (G) temperature changes (H) competition
[A]:
A