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