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