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