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