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