premise: Young players engage in the sport of Water polo while others watch.
hypothesis: Kids are competing at a swim meet.
explanation_1: You can not infer they are at a swim meet.
explanation_2: Young players do not have to be kids, Just because the players engage in Water polo it does not mean they are competing at a swim meet.
explanation_3: Just because they are playing a sport while other watch doesn't mean they are competing or at a swim meet
premise_logic: exists e1 p1 s1 x1 x2 x3 x4.(n_sport(x2) & exists e2 x5.(Actor(e2,x5) & v_watch(e2) & -(x5 = x4) & n_person(x5)) & n_person(x4) & while(e1,p1) & in(e1,x2) & of(x2,x3) & n_polo(x3) & (x3 = x4) & ne_geo_water(x4) & Actor(e1,x1) & v_engage(e1) & n_player(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 x1 x2 x3.(Actor(e2,x1) & v_meet(e2) & at(e1,x3) & n_swim(x3) & Actor(e1,x2) & v_compete(e1) & (x1 = x2) & n_kid(x1))
premise_sim: exists e1 p1 s1 x1 x2 x3 x4.(while(e1,p1) & v_engage(e1) & of(x2,x3) & ne_geo_water(x4) & n_sport(x2) & n_polo(x3) & n_player(x1) & n_person(x4) & in(e1,x2) & exists e2 x5.(v_watch(e2) & n_person(x5) & Actor(e2,x5) & -(x5 = x4)) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1) & (x3 = x4))
hypothesis_sim: exists e1 e2 x1 x2 x3.(v_meet(e2) & v_compete(e1) & n_swim(x3) & n_kid(x1) & at(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))