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