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