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