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: ['red', 'yellow', 'green', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'blue', 'yellow', 'red']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'red', 'white', 'green']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['white', 'black', 'blue', 'yellow']. Hint: three colors are in the secret code but in the wrong positions.
A B C D
red, blue, yellow, green green, blue, yellow, black black, yellow, red, yellow black, white, red, blue