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