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