In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: What is the best example of a live birth? (A) a fish laying a clutch (B) a platypus warming an egg with its furry body until a baby is born (C) a bird warming the eggs in her nest until they hatch (D) a koala delivering into her pouch
[EX A]: D

[EX Q]: Which ingredient may cause chemical change? (A) almonds (B) milk (C) citrus juice (D) olive oil
[EX A]: C

[EX Q]: A fawn's colors helps it blend in with the landscape in (A) Autumn (B) oceans (C) icy lakes (D) Winter
[EX A]:
A