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