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