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