Many women with tied up hair sit at a health presentation.
Women are sitting at a presentation about cancer.
That women are sitting at a presentation does not imply that the presentation is about cancer.
exists e1 e2 s1 x1 x2 x3 x4.(at(e2,x3) & n_presentation(x3) & of(x3,x4) & n_health(x4) & Actor(e2,x1) & v_sit(e2) & with(x1,x2) & n_hair(x2) & a_up(s1) & Theme(s1,x2) & Theme(e1,x2) & v_tie(e1) & n_woman(x1) & n_quantity(x1))
exists e1 x1 x2 x3.(at(e1,x2) & about(x2,x3) & n_cancer(x3) & n_presentation(x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))