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