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