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