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