Anchor: Also, you have no obligation to the Libertarian Party to fight on every street corner in its defense.
Entailed: You have no obligation to fight for the libertarian party to fight everywhere. 
Contradiction: You have to fight for the libertarians every chance you have. 
Contradiction: A girl wearing a spiderman costume is playing on the play ground.
Contradiction: I hope your day goes well.
Contradiction: A kid is running through the park.
Contradiction: Nobody is certain when food will be absolutely disease-free.