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