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