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