Anchor: Men and women at reception at a business conference
Entailed: The business conference has men and women in attendance.
Contradiction: There is men and women at a circus event.
Contradiction: However, these canoe rides actually focus on the less visible reptile life. 
Contradiction: People are stuck in a crowd
Contradiction: The econometric model stated that all mail be treated in the same space.
Contradiction: It was in my mind that you definitely had all the knowledge about this.