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