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