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