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