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