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