What is {safety classification and labelling} of {carbon monoxide} that is {NFPA Instability} is {0} ?
According to the NFPA Instability, what is the safety classification and labelling of carbon monoxide 0?
What is the safety classification and labelling of carbon monoxide that's NFPA Instability is 0?
SELECT ?i WHERE { resource:carbon_monoxide property:safety_classification_and_labelling ?y . FILTER ( ?a = 0 ) . ?y property:NFPA_Instability ?a . ?y property:safety_classification_and_labelling ?i }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2025> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4952> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P995> <0>
} 

SELECT ?obj WHERE { wd:Q2025 p:P4952 ?s . ?s ps:P4952 ?obj . ?s pq:P995 ?x filter(contains(?x , '0')) }