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