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