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