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