Answer:
I believe its soda, is it a multiple choice question?
If hes just being rude, honestly just stay in your room or something until he leaves, or maybe even tell your brother about it so maybe he'll say something to the friend. if he keeps bothering you even after all that, just tell him to leave you the FU€K alone. best of luck!!
Have you read the story? The setting is in Scandinavia
Answer:
you can ask where they come from and if they are a .gov or another trusted source like that
Explanation: