In this task, you need to provide the correct option for a given problem from the provided options.

Example Input: Problem: if x and y are both odd prime numbers and x < y , how many distinct positive integer e factors does 2 xy have ? 
Options: a ) 3 , b ) 4 , c ) 6 , d ) 8 , e ) 12
Example Output: d

Example Input: Problem: the ratio of spinsters to cats is 2 to 7 . if there are 55 more cats than spinsters , how many spinsters are there ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24
Example Output: c

Example Input: Problem: the weights of one liter vegetable ghee packet of two brands ‘ a ’ and ‘ b ’ are 900 gm and 750 gm respectively . if they are mixed in the ratio of 3 : 2 by volumes to form a mixture of 4 liters , what is the weight ( in kg ) of the mixture ? 
Options: ['a ) 3.84', 'b ) 1.75', 'c ) 3.36', 'd ) 2.72', 'e ) none of these']
Example Output:
c