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