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