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