Anchor: More serious trekkers, with crosecountry or mountain walking on their minds (and in their legs), can choose from a number of recommended hikes, 
Entailed: There is a variety of recommended hikes for serious trekkers.
Contradiction: Serious trekkers have very limited options when it comes to hikes.
Contradiction: Eco-systems will not be improved by the President's Energy Plan.
Contradiction: The cyclist is riding a bike.
Contradiction: Subscribers do not receive this e-mail and may not choose anything from it.
Contradiction: I think every time I think of the past, I listen to old music.