Read the following sentences from the text.
“Instead of advertising, however, they stumbled upon something that left the group horrified. They noticed that cigarettes were marketed to children in ways that were not so obvious. Until 2009, companies were allowed to make and sell candy to children that looked like cigarettes. You could find candy cigarettes at many convenience stores and even at ice cream trucks. Dillon’s 2-year-old sister got her hands on some candy cigarettes and toy cigarette lighters. She thought it was fun to ‘play’ at puffing and blowing smoke…. They showed students pig lungs that were supposed to mimic smokers’ lungs. ‘They’re discolored,’ he recalled. ‘They don’t inflate all the way and not quickly. They’re disgusting!’”

What conclusion can you draw from this evidence about why the teens were horrified?