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