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