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