Task: Text Completion
Input (English): Prompt: Day boat is a kind of boat, and its maximum sliding distance is 100 meters. 20 day boats 
Completion A: slide faster than one boat. 
Completion B: have maximum sliding distance of 2000 meters in total. 
Completion C: do not belong to boat. 
Completion D: each of them has maximum sliding distance of 150 meters.
Output (English): Completion B