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