Anchor: A minimum of three days is necessary to see a good portion of the island; a week allows a visitor to do it justice and take the time to enjoy its scenic outdoors at a relaxed pace.
Entailed: In order to see quite a bit of the island, you'll need at least 3 days.
Contradiction: You can see the entire island in 1 day or less.
Contradiction: Confusion is good for the soul.
Contradiction: A man and woman are sitting on a bench next to a lady sitting alone on another bench.
Contradiction: The 5:3:8 mathematical relationship is a neat one. 
Contradiction: The streets are very dark at night here.