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