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