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