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