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