get the cycle uris of all cycles that have a part in a ligand neighbourhood

gistfile1.txt

select  distinct ?a as ?cycle_uri
from <http://bio2rdf.org/narf:rna_cycles_nr>
where{
?a a <http://bio2rdf.org/narf_vocabulary:cycle>.
?a <http://bio2rdf.org/narf_vocabulary:has_part> ?b.
?b a <http://bio2rdf.org/lighood_vocabulary:neighbor>.
?lh <http://bio2rdf.org/lighood_vocabulary:has_member> ?b.
}