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