Anchor: Jetskiing is popular almost everywhere, with half-hour rentals common.
Entailed: You can usually rent jet skis for half an hour.
Contradiction: Locations for jetskiing are hard to find, with rentals often being expensive and restrictive.
Contradiction: I am familiar with it as I have done it countless times
Contradiction: A man in a suit on a train
Contradiction: I think that this is so.
Contradiction: It is absurd to think that there are other reasons.