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