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