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