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