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

Example Input: Problem: if two integers x , y ( x > y ) are selected from - 10 to 5 ( inclusive ) , how many possible cases are there ? 
Options: a ) 105 , b ) 120 , c ) 190 , d ) 210 , e ) 240
Example Output: b

Example Input: Problem: a bag contains 10 red jellybeans and 10 blue jellybeans . if 3 jellybeans are removed one at a time , at random and are not replaced , what is the probability w that all 3 jellybeans removed from the bag are blue ? 
Options: a ) 9 / 100 , b ) 2 / 19 , c ) 1 / 8 , d ) 3 / 20 , e ) 3 / 10
Example Output: b

Example Input: Problem: a child want to buy 3 new toys . if there are 10 toys that satisfy the child ' s criteria , in how many different ways can the child select the 3 new toys if the order of selection does n ' t matter . 
Options: a ) 20 , b ) 120 , c ) 210 , d ) 15 , e ) 45
Example Output:
b