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