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