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