Task: Question Answering
Input (English): Question: Three factories of Conglomerate Corporation are capable of manufacturing hubcaps. Two of the factories can each produce 1000 hubcaps in 15 days. The third factory can produce hubcaps 30% faster. Approximately how many days would it take to produce a 10,000 hubcaps with all three factories working simultaneously?

 Option A: 38

 Option B: 42

 Option C: 46

 Option D: 50

 Option E: 54
Output (English): Option C