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