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