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