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