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