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