User-agent: Sosospider
Disallow: /

User-agent: Exabot
Disallow: /

User-agent: Yeti
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: cityreview
Disallow: /

User-agent: Sogou web spider
Disallow: /

User-agent: *
Disallow: