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