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