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