Task: Question Answering
Input (English): Problem: the average weight of 8 person ' s increases by 2.5 kg when a new person comes in place of one of them weighing 66 kg . what might be the weight of the new person ? 
Options: a ) 56 kg , b ) 90 kg , c ) 86 kg , d ) data inadequate , e ) none of these
Output (English): c