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