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