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