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