Anchor: La Soufriyre, temperamental and magnificent even if its peak is almost always shrouded in clouds, is a semi-active volcano.
Entailed: The peak of La Soufriyre is almost always shrouded in clouds.
Contradiction: The volcano of La Soufriyre is inactive. 
Contradiction: Two men are dancing together in a park
Contradiction: boy with headphones
Contradiction: I do not I remember the epigraph of James T. Farrell's book.
Contradiction: Once brought up, it affects anyone who encroaches.