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