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