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

Input: Consider Input: Problem: from a pack of cards , two cards are drawn one after the other , with replacement . what is the probability that the first card is a club and the second card is a king or queen ? 
Options: a ) 2 / 13 , b ) 3 / 13 , c ) 1 / 26 , d ) 1 / 52 , e ) 3 / 52

Output: c


Input: Consider Input: Problem: in how many ways can 21 books on english and 19 books on hindi be placed in a row on a shelf so that two books on hindi may not be together ? 
Options: a ) 1540 , b ) 2314 , c ) 5420 , d ) 1240 , e ) 4512

Output: a


Input: Consider Input: Problem: in how many ways 4 boys and 2 girls can be seated in a row so that they are alternate . 
Options: a ) 48 , b ) 288 , c ) 12 , d ) 256 , e ) none


Output: a