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