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