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