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