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