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