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