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