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