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