Task: Question Answering
Input (English): People often use a mixture of salt and water to clean contact lenses. Which statement best describes this mixture?  
 (A) Salt is the solvent and water is the solute. (B) Salt is the solute and water is the solvent. (C) Salt is the solvent and water is the solution. (D) Salt is the solution and water is the solvent.
Output (English): B