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