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