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