which meter type is used in couplets?
Entity Entity
m.050jjq m.09wcxk
Iambic pentameter Iambic tetrameter
class class entity
book.poetic_meter book.poem m.01xhr
book.poetic_meter book.poem book.poetic_verse_form
Poetic Meter Poem couplets
none none none
book.poetic_meter.poems_with_this_meter book.poetic_verse_form.poems_of_this_form
Poems With This Meter Poems Of This Form
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :book.poetic_meter . 
?x1 :type.object.type :book.poem . 
VALUES ?x2 { :m.01xhr } 
?x0 :book.poetic_meter.poems_with_this_meter ?x1 . 
?x2 :book.poetic_verse_form.poems_of_this_form ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND book.poetic_meter (JOIN book.poetic_meter.poems_with_this_meter (JOIN (R book.poetic_verse_form.poems_of_this_form) m.01xhr)))