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