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