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