Your goal is to find the secret four-color code. The following colors are possible: green, pink, brown, blue, orange, 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: ['green', 'pink', 'orange', 'brown']. Hint: two colors are in the correct positions.
Guess: ['green', 'green', 'pink', 'pink']. Hint: none of the guessed colors are present in the secret code.
Guess: ['brown', 'brown', 'blue', 'blue']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'orange', 'orange', 'brown']. Hint: three colors are in the correct positions.
A B C D
blue, black, orange, brown blue, brown, orange, black orange, orange, orange, black black, pink, black, green