premise: Two young boys in swimming trunks are in the water looking at each other.
hypothesis: The brothers look at each other
explanation_1: Boys are not always brothers.
explanation_2: Two young boys in swimming trunks in the water looking at each other doesn't mean the two boys are  brothers.
explanation_3: Two young boys are not necessarily brothers.
premise_logic: exists e1 p1 s1 x1 x2 x3 x4.(n_water(x4) & for(p1,e1) & all x5.(n_other(x5) -> at(e1,x5)) & Actor(e1,x1) & v_look(e1) & in(x1,x4) & in(x1,x2) & n_trunk(x2) & of(x2,x3) & n_swimming(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1.(n_brother(x1) & all x2.(n_other(x2) -> at(e1,x2)) & Actor(e1,x1) & v_look(e1))
premise_sim: exists e1 p1 s1 x1 x2 x3 x4.(v_look(e1) & of(x2,x3) & n_water(x4) & n_trunk(x2) & n_swimming(x3) & n_boy(x1) & in(x1,x4) & in(x1,x2) & for(p1,e1) & card_eq_2(x1) & all x5.(at(e1,x5) | -n_other(x5)) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_look(e1) & n_brother(x1) & all x2.(at(e1,x2) | -n_other(x2)) & Actor(e1,x1))