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