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