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