Anchor: The instruments are brought together in mantinada songs with rhyming couplets of lyrics.
Entailed: Rhyming couplets of lyrics are a part of mantinada songs.
Contradiction: In mantinada songs, there are no rhyming lyrics.
Contradiction: Students study alone in a library.
Contradiction: Two people are riding motorbikes.
Contradiction: The men are going for a walk.
Contradiction: A crowd of people are celebrating a wedding.