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