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