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.

Ex Input:
Which is considered a property of soil?  
 (A) streak (B) fracture (C) texture (D) luster

Ex Output:
C


Ex Input:
Which is a fact rather than an opinion about earthquakes?  
 (A) Earthquakes occur along fault lines. (B) Earthquakes are worse than hurricanes. (C) Earthquakes are bad for all local businesses. (D) Earthquakes always cause major damage to homes.

Ex Output:
A


Ex Input:
Which unit of measurement should be used to describe the  mass of an apple?  
 (A) gram (B) liter (C) minute (D) meter

Ex Output:

A