ASK WHERE { <http://dbpedia.org/resource/Nokia_215> <http://dbpedia.org/property/os> <http://dbpedia.org/resource/Series_30+> }
Did nokia 215 has the series 30+ OS?
ASK WHERE { resource:Nokia_215 property:os resource:Series_30+ }
Yes
[Yes], Series 30+ is the OS of Nokia 215.
[Yes], the Series 30 + is the Nokia 215 operating system.
[Yes], Series 30+ is  the os of the organisation.
[Yes], the Series 30 + is the organization