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