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