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