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