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

Input: Consider Input: Problem: if 1 tic equals 5 tacs and 2 tacs equal 8 tocs , what is the ratio of one tic to one toc ? 
Options: a ) 15 / 2 , b ) 20 / 1 , c ) 5 / 6 , d ) 3 / 10 , e ) 1 / 15

Output: b


Input: Consider Input: Problem: 99 ! how many zero ' s ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24

Output: c


Input: Consider Input: Problem: each factor of 210 is inscribed on its own plastic ball , and all of the balls are placed in a jar . if a ball is randomly selected from the jar , what is the probability that the ball is inscribed with a multiple of 40 ? 
Options: a ) 1 / 16 , b ) 5 / 42 , c ) 1 / 8 , d ) 3 / 16 , e ) 1 / 4


Output: a