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