Given the task definition and input, reply with output. In this task, you need to provide the correct option for a given problem from the provided options.

Problem: from a container , 6 liters milk was drawn out and was replaced by water . again 6 liters of mixture was drawn out and was replaced by the water . thus the quantity of milk and water in the container after these two operations is 9 : 16 . the quantity of mixture is :
Options: a ) 15 , b ) 26 , c ) 22 , d ) 27 , e ) 11
a