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