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