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