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