Task: Question Answering
Input (English): Two fossils of the same species were found on two different continents. The continents are separated by the Atlantic Ocean. Scientists dated the fossils to be 2 million years old. Which is the least likely explanation for these findings?  
 (A) A great land bridge once connected the continents. (B) The remains were carried by ocean currents. (C) A single landmass once existed with both continents. (D) The animals swam across the ocean.
Output (English): B