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