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