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