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