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