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