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