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