Given the task definition, example input & output, solve the new input case.
In this task, you need to provide the correct option for a given problem on probability from the provided options.
Example: Problem: in a throw of a coin find the probability of getting a tail ? 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 4 , d ) 2 / 5 , e ) 2 / 7
Output: a
"s = { h , t } e = { t } p ( e ) = 1 / 2 answer is a"

New input case for you: Problem: a meeting has to be conducted with 5 managers . find the number of ways in which the managers be selected from among 8 managers , if 2 managers will not attend the meeting together ? 
Options: a ) 40 , b ) 36 , c ) 42 , d ) 45 , e ) 47
Output:
b