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