He or she says good morning or good afternoon or something like that and you all, as a class,you answer.

VOA: special.2009.11.05

Experts at Penn State University say the answer is simple: when the undesirable qualities outweigh the good qualities.

VOA: special.2011.07.26

Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities.

VOA: special.2010.08.10

Experts at Penn State University have a simple answer: When its undesirable qualities outweigh its good qualities.

VOA: special.2009.05.26

"There's no right or wrong answer with regard to 'What's a good cup of coffee?'

VOA: special.2011.02.11