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

Example Input: Problem: from a group of 4 boys and 4 girls , 2 children are to be randomly selected . what is the probability that 1 boy and 1 girl will be selected ? 
Options: a ) 1 / 2 , b ) 2 / 3 , c ) 3 / 5 , d ) 4 / 7 , e ) 5 / 9
Example Output: d

Example Input: Problem: a card is drawn from a pack of 52 cards . the probability of getting a queen of spade or an ace of club is : 
Options: a ) 1 / 13 , b ) 1 / 26 , c ) 2 / 13 , d ) 1 / 52 , e ) 1 / 48
Example Output: b

Example Input: Problem: in how many ways 4 boys and 5 girls can be seated in a row so that they are alternate . 
Options: a ) 144 , b ) 288 , c ) 12 , d ) 256 , e ) 2880
Example Output:
e