Before revision:  We demonstrate the technique by collecting commonsense knowledge that surrounds six fairly universal rituals---birth , coming-of-age, marriage, funerals, new year, and birthdays---across two national groups: the United States and India.
After revision:  We demonstrate the technique by collecting commonsense knowledge that surrounds six fairly universal rituals -- birth , coming-of-age, marriage, funerals, new year, and birthdays---across two national groups: the United States and India.