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