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