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