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