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