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