Definition: In this task, you will be presented with a question that has multiple possible answers. You should choose the most suitable option out of "A", "B", "C", "D", and "E", based on your commonsense knowledge.
Input: Question: John noticed that there was a lot of water on his map. Water covered more than half of his map, in fact.   What might his map have been of? 
 Options: A car B puddle C ocean D surface of earth E sink 

D