Task: Question Answering
Input (English): Question: At noon, ship A is 100km west of ship B. Ship A is sailing east at 35 km/hr and ship B is sailing north at 25km/hr. How fast is the distance between the ships changing at 4.00pm.

 Option A: 35.21 km/hr.

 Option B: 36.21 km/hr.

 Option C: 37.21 km/hr.

 Option D: 39.21 km/hr.

 Option E: 32.21 km/hr.
Output (English): Option B