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