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