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