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