Your goal is to find the secret four-color code. The following colors are possible: brown, purple, pink, white, yellow, 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: ['pink', 'blue', 'white', 'brown']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['brown', 'brown', 'white', 'purple']. Hint: two colors are in the correct positions.
Guess: ['brown', 'yellow', 'blue', 'white']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
A B C D
purple, brown, yellow, yellow brown, blue, white, yellow purple, yellow, white, blue purple, white, purple, blue