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