Instructions: 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").
Input: Fact1: plasma is formed by electrons separating from atoms in stars, Fact2: Plasma Is the liquid portion of the blood., Question: What is the liquid portion of the blood formed by? (A) Evaporation of water (B) basic building blocks of life (C) flow of electrons (D) Veins and arteries. (E) electrons separatin from atoms (F) Something made from fermented ricce (G) circulatory systems (H) heat production
Output:
E