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