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