Anchor: Could be you were handy and they had some kind of a hint to start a ruckus just to show there ain't any proper law here.
Entailed: This place has no formal rules, and they knew that.
Contradiction: There are strict laws here, and everyone abides by them.
Contradiction: People are watching a movie.
Contradiction: A female delivering a talk about Wikipedia.
Contradiction: Strangers pay more than half of the costs. 
Contradiction: The man is interested in the telescope