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