Task: Question Answering
Input (English): Nearly 100 years ago, a large volcano erupted in the South Pacific. The following year, Boston recorded measurable snow every month of the year, and most of the Northern Hemisphere experienced a cold summer. Which explains how these two events were related?  
 (A) The eruption intensified the greenhouse effect. (B) Lava flow from the eruption caused a temporary increase in Earth's total heat energy. (C) The eruption caused damage to the ozone layer. (D) Air pollution from the eruption caused a decrease in the amount of solar energy reaching Earth.
Output (English): D