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