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