Which of the following is an example of an aerial ad?
A. Anne receives a SMS containing an ad that informed her about the ongoing sale at 'Levis'.
B. Anna views a huge balloon flying in the air which reads 'McDonald's - I'm loving it'.
C. Alice watches a truck painted with an ad for 'Levis' jeans.
D. Christa sees a full page ad for 'Covergirl' cosmetics in the 'Beauty in Vogue' magazine.
E. Jane comes across a small ad like sticker for 'Whisper' sanitary napkins in the restroom of the hotel.
Answer: B