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