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