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