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