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