Assertion: sonnet's octave | /r/CapableOf | rhyme a-b-a-b
Facets:
Source sentences:
text: In the sonnets of Giacomo da Lentini, the octave rhymed a-b-a-b, a-b-a-b; later, the a-b-b-a, a-b-b-a pattern became the standard for Italian sonnets.