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