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