Context: She was always smiling , always happy , for no apparent reason . laughing even when no one was making jokes , just loving life so much . I envied her .
Question: Why would someone laugh when nothing was funny ?
Option 0: People might laugh a lot if they have a rich inner life and are pleased by little things in life .
Option 1: People laugh if they are choking on something .
Option 2: People laugh to put other people " Off " and frighten them .
Option 3: None of the above choices .
Answer: 0