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