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