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