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