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