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