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