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