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