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