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