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