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