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