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