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