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