Answer:
Maybe you have some sort of allergy. This isn't always the case, maybe you got water up your nose and its coming back out, or maybe you have fluids that need to leave your body. Or just maybe you're sick. In which case wear a mask when going outside.
Explanation:
Answer:
I would say because the sentence includes a compound noun because the hyphens are to connect "brother-in-law" which is multiple words acting as one word.
*Hope this helped : )*
