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