Task: Question Answering
Input (English): Problem: 7 carpet - weavers can weave 7 carpets in 7 days . at the same rate , how many carpets would be woven by 14 carpet - weavers in 14 days ? 
Options: a ) 14 , b ) 28 , c ) 21 , d ) 35 , e ) none of these
Output (English): b