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