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