Task: Question Answering
Input (English): Research is being conducted on using energy from the Sun to split water molecules into hydrogen and oxygen. The oxygen will be released into the environment, and hydrogen will be used for fuel. Which statement describes how this technology will benefit the environment?  
 (A) The properties of hydrogen will be better understood. (B) The availability of clean resources will increase. (C) The atmosphere will be supplied with oxygen. (D) The Sun's abundant supply of energy will be used.
Output (English): B