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