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