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