premise: A young boy and an adult man looking at ducks in a pond.
hypothesis: The man and his son stand at the edge of a pond.
explanation_1: People do not need to stand at the edge of the pond to looks at the ducks.
explanation_2: Looking at ducks in a pond doesn't mean they were standing or at the edge of a pond.
explanation_3: Two people looking into a fish pond don't have to stand on the edge.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & at(e1,x5) & in(x5,x6) & n_pond(x6) & n_duck(x5) & Actor(e1,x4) & v_look(e1) & (x2 = x4) & n_man(x2) & of(x2,x3) & n_adult(x3) & subset_of(x1,s1) & n_boy(x1) & a_young(s2) & Theme(s2,x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(n_edge(x4) & n_son(x3) & of(x3,x2) & n_male(x2) & n_man(x2) & at(e1,x4) & of(x4,x5) & n_pond(x5) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & subset_of(x2,x1))