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