You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
--------
Question: Which disease is a result of abnormal cell division?  
 (A) AIDS (B) cancer (C) chicken pox (D) common cold

Answer: B


Question: Early scientists most likely saw a discharge of electricity for the first time when observing a  
 (A) waterfall (B) rainbow (C) lightning storm (D) volcano erupting

Answer: C


Question: What is the main advantage of making a laptop computer light in weight?  
 (A) to make it easy to carry (B) to keep it simple to build (C) to make the screen easy to read (D) to provide storage for an electrical cord

Answer:
A