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