You will be given a definition of a task first, then some input of the task.
In this task, you need to provide the correct option for a given problem from the provided options.

Problem: if log 27 = 1.431 , then the value of log 9 is : 0.934 b . 0.945 c . 0.954 d . 0.958
Options: a ) 0.954 , b ) 0.93 , c ) 0.933 , d ) 0.96 , e ) 0.974
Output:
a