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