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