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