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