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