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