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