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