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