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