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