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