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