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