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