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