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

Input: Consider Input: Problem: if two integers x , y ( x > y ) are selected from - 10 to 4 ( inclusive ) , how many possible cases are there ? 
Options: a ) 150 , b ) 180 , c ) 190 , d ) 210 , e ) 105

Output: e


Input: Consider Input: Problem: what is the probability of getting exactly 2 heads in a single throw of five fair coins ? 
Options: a ) 1 / 4 , b ) 3 / 8 , c ) 3 / 16 , d ) 5 / 16 , e ) 11 / 32

Output: d


Input: Consider Input: Problem: what is the probability of getting a sum of 8 or 14 when rolling 3 dice simultaneously ? 
Options: a ) 1 / 6 , b ) 1 / 4 , c ) 1 / 2 , d ) 21 / 216 , e ) 32 / 216


Output: a