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