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