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