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