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