premise: Girls giving a presentation for a school class.
hypothesis: The girls are in front of a blackboard in a classroom.
explanation_1: Girls can give class presentations anywhere, not just in front of a blackboard.
explanation_2: Giving a presentation for school does not mean they are in front of a blackboard in a classroom.
explanation_3: Class presentations don't always have to be in front of a blackboard.
premise_logic: exists e1 x1 x2 x3 x4.(ne_nam_girls(x1) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & for(x2,x3) & n_class(x3) & of(x3,x4) & n_school(x4) & n_presentation(x2))
hypothesis_logic: exists p1 x1.(n_girl(x1) & exists x2 x3 x4.(in(x1,x2) & of(x2,x3) & in(x3,x4) & n_classroom(x4) & n_blackboard(x3) & n_front(x2)))
premise_sim: exists e1 x1 x2 x3 x4.(v_give(e1) & of(x3,x4) & ne_nam_girls(x1) & n_school(x4) & n_presentation(x2) & n_class(x3) & for(x2,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_girl(x1) & exists x2 x3 x4.(of(x2,x3) & n_front(x2) & n_classroom(x4) & n_blackboard(x3) & in(x3,x4) & in(x1,x2)))