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