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