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