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