Answer the following question: You are presented with the quiz "What can help with sinus infections?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "infection can cause bodily tissues to swell" and "antihistamines reduce swelling in mucous membranes and soft tissues". So, what's the best answer to the question?

OPTIONS:
(a). arteries.
(b). hydration.
(c). one celled organisms.
(d). prolactin release.
(e). radiography.
(f). Enzymes.
(g). antihistamines.
(h). aqueous solution.
Answer:
(g).