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