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: Precipitation increases moisture., Fact2: Rain is liquid precipitation., Question: what increases moisture? (A) density (B) the sun (C) wind (D) rain (E) Honey (F) 17 (G) droughts (H) Type O
D

Fact1: Feathers help birds fly and provide insulation., Fact2: Some birds are flightless birds., Question: Why do the flightless have feathers? (A) layers of fat (B) Sublimation (C) it needs them (D) warm-blooded (E) Air conditioning (F) Radiation (G) Insulation (H) protect them
G

Fact1: Behaviors can be learned through play., Fact2: Girls have played with dolls for generations., Question: Girls have used what to learn behaviors for generations? (A) Birds (B) trees (C) rainbows (D) sound (E) alleles (F) bows (G) nerves (H) dolls

H