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