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