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