| gptkbp:instanceOf | gptkb:film 
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                                | gptkbp:authorOfSourceMaterial | gptkb:Edgardo_M._Reyes 
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                                | gptkbp:awarded | gptkb:FAMAS_Award_for_Best_Picture gptkb:Gawad_Urian_Award_for_Best_Picture
 
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                                | gptkbp:basedOn | In the Claws of Brightness (novel) 
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                                | gptkbp:cinematography | gptkb:Mike_de_Leon 
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                                | gptkbp:countryOfOrigin | gptkb:Philippines 
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                                | gptkbp:director | gptkb:Lino_Brocka 
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                                | gptkbp:editor | gptkb:Ike_Jarlego_Jr. 
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                                | gptkbp:genre | gptkb:drama 
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                                | gptkbp:language | gptkb:Filipino 
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                                | gptkbp:musicBy | gptkb:Lutgardo_Labad 
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                                | gptkbp:notableFor | considered one of the greatest Filipino films 
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                                | gptkbp:productionCompany | gptkb:Cinema_Artists_Philippines 
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                                | gptkbp:releaseYear | 1975 
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                                | gptkbp:restored | gptkb:ABS-CBN_Film_Restoration_Project 
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                                | gptkbp:runtime | 125 minutes 
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                                | gptkbp:screenplayBy | gptkb:Clodualdo_del_Mundo_Jr. 
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                                | gptkbp:setting | gptkb:Manila 
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                                | gptkbp:starredActor | gptkb:Bembol_Roco gptkb:Hilda_Koronel
 
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                                | gptkbp:theme | gptkb:migration social realism
 prostitution
 exploitation
 urban poverty
 
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                                | gptkbp:bfsParent | gptkb:Mercedes_Laurel 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Sa Mga Kuko ng Liwanag 
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