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