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