Task: Question Answering
Input (English): Problem: there are 2 white plates , 6 green plates , 8 red plates , 4 pink plates , and 10 purple plates in the cabinet . what is the least number of plates that you have to pull out to make sure that you will have a matching pair ? ( assume that all the plates are identical except for the color ) 
Options: a ) 2 , b ) 4 , c ) 12 , d ) 7 , e ) 6
Output (English): e