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