Task: Question Answering
Input (English): Some scientists predict that as greenhouse gases change the climate of Earth, the number and strength of hurricanes will increase. In order for this to occur, the climate change would have to affect Earth by changing the  
 (A) depths of the oceans. (B) speed of currents in the oceans. (C) chemical compositions of the oceans. (D) amount of dissolved oxygen in the oceans.
Output (English): B