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