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