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