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