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

Ex Input:
Problem: a , b , c , d , e sitting in a row what is the probability that a & b sitting adjacent . 
Options: a ) 1 / 5 , b ) 2 / 5 , c ) 3 / 5 , d ) 4 / 5 , e ) 6 / 5

Ex Output:
b


Ex Input:
Problem: in a certain animal population , for each of the first 3 months of life , the probability that an animal will die during that month is 1 / 6 . for a group of 200 newborn members of the population , approximately how many would be expected to survive the first 3 months of life ? 
Options: a ) 116 , b ) 146 , c ) 152 , d ) 162 , e ) 170

Ex Output:
a


Ex Input:
Problem: joe has candys on his pocket , 4 of those candies have lemon flavor , and 3 have caramel flavor . if joe take one , what is the probability that he picks one caramel flavor ? 
Options: a ) 1 , b ) 2 , c ) none , d ) 3 / 7 , e ) 3 / 4

Ex Output:

d