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