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