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