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