"guest_house"=>"bed_and_breakfast","source:date"=>"2014-06-20"
"guest_house"=>"bed_and_breakfast","internet_access"=>"yes","internet_access:fee"=>"no","smoking"=>"outside","source:date"=>"2014-06-20"
"guest_house"=>"bed_and_breakfast","internet_access"=>"yes","internet_access:fee"=>"no","rooms"=>"1"