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