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