Read the text below:
Over 40,000 Americans took their own lives in 2012 — more than died in car crashes — says the American Association of Suicidology. Mondays in May see the most incidents. The rates are highest in Wyoming and Montana, perhaps because guns — which are more effective than pills — are so common there. Nationally, guns are used in half of all successful suicides. [...]
An awful hole. The Economist, jan. 31, 2015. Adapted.
According to the text, which alternative is incorrect?
