What is the {monomer of} and the {medical condition treated} of {Lactic_acid} ?
What monomer in the lactic acid which is used to treat what medical condition?
Lactic acid contains what monomer and is used to treat what medical condition?
SELECT ?x ?l WHERE { resource:DL-lactic_acid property:medical_condition_treated ?l . resource:DL-lactic_acid property:monomer_of ?x }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q161249> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4599> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q161249> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2175> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q161249 wdt:P4599 ?ans_1 . wd:Q161249 wdt:P2175 ?ans_2 }
polylactic acid dermatitis polylactic acid facial dermatosis