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