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