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