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