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