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 Q]: Fact1: Butter is a fat that is a solid at room temperature., Fact2: Some fats are more likely to cause heart disease., Question: What can butter lead to? (A) Heart disease (B) air pollution (C) reproduction (D) destruction (E) religion (F) trees (G) heating (H) Tooth pain
[EX A]: A

[EX Q]: Fact1: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What do frogs breathe with when they are adults? (A) skin (B) fins (C) lungs (D) oxygen (E) gills (F) air (G) Energy (H) Gases
[EX A]: C

[EX Q]: Fact1: RNA is a small molecule that can squeeze through pores in the nuclear membrane., Fact2: Cells with a nuclear membrane are called eukaryotic ., Question: RNA is a small molecule that can squeeze through pores in  (A) dermal & vascular tissue (B) space between (C) eukaryotic cells (D) jellyfish (E) occurs over a wide range (F) saves lives (G) holding nutrients (H) Seconds and minutes
[EX A]:
C