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