Anchor: Well, I've got to keep them till the circus comes, don't I? I've got to figure out what to feed them meanwhile.  
Entailed: I need to keep them till the circus comes.
Contradiction: I do not need to worry about them now.
Contradiction: I lived in a mansion since birth.
Contradiction: A boy is near some stairs.
Contradiction: Unfortunately, it's only 4 meters high and has a length of 200 meters.
Contradiction: In Florida it is sometimes comfortable to camp.