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: Some viruses can cause cancer., Fact2: Leukaemia and lymphoma are cancers of the blood., Question: what can some viruses cause? (A) extinction (B) Allergies (C) Dehydration (D) anemia (E) lymphoma (F) relocation (G) Pollution (H) Toxicity
E