Task: Question Answering
Input (English): Which procedure correctly describes materials combining?  
 (A) Salt and sand are added to hot water and stirred making a mixture. (B) Oil and water are placed in a sealed bottle and shaken making a compound. (C) Sugar and water are added to flour and cooked in an oven making an element. (D) Soil and water are shaken in a container and left to separate forming two elements.
Output (English): A