Task: Question Answering
Input (English): A factory in Japan had been dumping mercury into Minamata Bay. Certain microorganisms in the water were able to change the mercury into a form that the plankton could use. Which most likely happened next?  
 (A) The organisms built up a resistance to the mercury. (B) The mercury passed through the food chain. (C) The plankton made the mercury safe. (D) The fish would not eat the plankton.
Output (English): B