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