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: ['white', 'red', 'pink', 'black']. 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: one color is in the secret code but in the wrong position.
Guess: ['red', 'green', 'red', 'black']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['white', 'black', 'red', 'white']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
green, pink, white, black yellow, white, yellow, white white, black, yellow, green green, red, red, red