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