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