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