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