Teacher:In this task, you need to provide the correct option for a given problem on probability from the provided options.
Teacher: Now, understand the problem? Solve this instance: Problem: what is the probability that the sum of two dice will yield a 4 , and then when both are thrown again , their sum will again yield a 4 ? assume that each die has 3 sides with faces numbered 1 to 3 . 
Options: a ) 1 / 144 , b ) 1 / 36 , c ) 1 / 9 , d ) 1 / 6 , e ) 1 / 3
Student:
c