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