Task: Question Answering
Input (English): Question: On a certain transatlantic crossing, 20 percent of a ship’s passengers held round-trip tickets and also took their cars abroad the ship. If 80 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ship’s passengers held round-trip tickets?

 Option A: 20%

 Option B: 40%

 Option C: 60%

 Option D: 80%

 Option E: 100%
Output (English): Option E