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