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