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