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