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