premise: A group of people are outside working.
hypothesis: A group of children are swimming outside.
explanation_1: People can't be working while swimming.
explanation_2: People are standing outside of a shopping mall.
explanation_3: A group of children is not the same as "a group of people".and while the children  are swimming outside the people are outside working.
premise_logic: exists e1 s1 x1 x2.(for(s1,e1) & Actor(e1,x1) & v_work(e1) & Theme(s1,x1) & a_outside(s1) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 p1 x1 x2.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_swim(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
premise_sim: exists e1 s1 x1 x2.(v_work(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & for(s1,e1) & a_outside(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 p1 x1 x2.(v_swim(e1) & of(x1,x2) & n_group(x1) & n_child(x2) & exists s1.(a_outside(s1) & Theme(s1,x1)) & Topic(e1,p1) & Actor(e1,x1))