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