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