Detailed 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").
Problem:Fact1: Lymph is a fluid that leaks out of capillaries into spaces between cells., Fact2: Lymph fluid is rich in protein., Question: A fluid rich in protein leaks out of capillaries into spaces between what? (A) Testes (B) several (C) blood (D) cells (E) matter (F) antigen (G) people (H) skin
Solution:
D