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