Your goal is to find the secret four-color code. The following colors are possible: brown, yellow, purple, green, white, blue.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['green', 'white', 'brown', 'blue']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
Guess: ['brown', 'brown', 'green', 'blue']. Hint: three colors are in the correct positions.
A B C D
white, brown, green, blue purple, blue, yellow, white purple, yellow, blue, white white, yellow, green, yellow