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