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