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