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