Anchor: Several people congregate at an umbrella topped table just outside of a shop named DAHLAK.
Entailed: People are grouped together by a table outside.
Contradiction: Several people are gather inside a store named DAHLAK.
Contradiction: Oh, no. 
Contradiction: Some people are sitting on a sofa.
Contradiction: Tommy had plenty to say and no trouble getting the words out.
Contradiction: Whether or not case studies whose results we are going to use have adopted the same procedures for ensuring impartiality, is something we need assurance for.