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