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