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