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