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 dice are thrown together , the probability of getting an even prime number on the dice is 
Options: a ) 1 / 36 , b ) 1 / 18 , c ) 1 / 13 , d ) 1 / 9 , e ) 5 / 36

Output: a


Input: Consider Input: Problem: a box contains 100 balls , numbered from 1 to 100 . if 3 balls are selected at random and with replacement from the box . if the 3 numbers on the balls selected contain two odd and one even . what is the probability g that the first ball picked up is odd numbered ? 
Options: a ) 0 , b ) 1 / 3 , c ) 1 / 2 , d ) 2 / 3 , e ) 1

Output: d


Input: Consider Input: Problem: in how many ways 4 boys and 3 girls can be seated in a row so that they are alternate . 
Options: a ) 144 , b ) 288 , c ) 12 , d ) 256 , e ) none


Output: a