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