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