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