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