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