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