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