Task: Question Answering
Input (English): Why do areas in the middle of a large continent generally have more extreme differences in temperature than areas near the coastline?  
 (A) There are generally more clouds near the oceans. (B) Landlocked areas are usually at a lower altitude than coastline areas. (C) Coastlines are usually surrounded by mountains that block air masses. (D) Oceans change temperature slowly and regulate the temperature of nearby land.
Output (English): D