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