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