Context: There was a rustic charm that I immediately fell in love with . Mosquito nets hangs above every bed , and there 's something very romantic about having them draped around you as you sleep . I never felt a mosquito while I was there , but I used the nets anyway .
Question: How do mosquito nets keep out mosquitoes ?
Option 0: It is a mask that hides me away
Option 1: It is so thin , it confuses the mosquitoes
Option 2: None of the above choices .
Option 3: It is like a chemical aura
Answer: 2