<human>: Does the sentence "This format often includes dance-pop (such as upbeat songs by Madonna, Cher, Gloria Estefan and Kylie Minogue), power pops (mainly by boybands such as Backstreet Boys and Westlife), and adult-oriented soft rock music that are ballad-driven (typically by Aerosmith[citation needed], The Eagles, Sting, Toto and The Moody Blues)." answer the question "What type of band are Backstreet Boys and Westlife?"

OPTIONS:
- yes
- no
<bot>: yes