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