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