Task: Question Answering
Input (English): Question: Sasha is throwing bottles into the lake. Some bottles are filled with sand, and some only have a tiny bit of sand in them. The bottles filled with sand will sink first because they are 
 Option1: less dense 
 Option2: more dense 
 Explanation: The more tightly packed the particles inside the material are, the more dense we say they are.
Output (English): more dense