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

Input: Consider Input: Problem: the chance of rain on any given day in tel - aviv is 50 % . what is the probability a that it rained in tel - aviv on exactly 4 out of 6 randomly chosen days ? 
Options: a ) 15 / 64 , b ) 30 / 64 , c ) 1 / 2 , d ) 1 / 4 , e ) 52 / 64

Output: a


Input: Consider Input: Problem: when you draw 2 dices together , find the probability of getting a total of 6 ? 
Options: a ) 3 / 13 , b ) 2 / 31 , c ) 5 / 36 , d ) 7 / 41 , e ) 7 / 43

Output: c


Input: Consider Input: Problem: if a card is drawn from a well shuffled pack of cards , the probability of drawing a spade or a king is - 
Options: a ) 8 / 13 , b ) 6 / 13 , c ) 3 / 13 , d ) 4 / 13 , e ) 1 / 13


Output: d