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