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