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