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