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