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