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