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