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