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