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