premise: A man and woman sit on a dock looking out over the water on an overcast day.
hypothesis: The man and woman are a couple.
explanation_1: This first sentence does not necessarily mean they are a couple.
explanation_2: Just because a man and woman sit on a dock looking out over the water on an overcast day, doesn't mean they are a couple.
explanation_3: You can not infer  they are a couple.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_water(x5) & for(e1,e2) & a_out(s2) & Manner(e2,s2) & over(e2,x5) & on(x5,x6) & n_day(x6) & a_overcast(s1) & Theme(s1,x6) & Actor(e2,x1) & v_look(e2) & on(e1,x4) & n_dock(x4) & Actor(e1,x1) & v_sit(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
hypothesis_logic: exists p1 x1 x2 x3.(n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists x4.((x1 = x4) & n_couple(x4)))
premise_sim: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(v_sit(e1) & v_look(e2) & subset_of(x3,x1) & subset_of(x2,x1) & over(e2,x5) & on(x5,x6) & on(e1,x4) & n_woman(x3) & n_water(x5) & n_man(x2) & n_dock(x4) & n_day(x6) & for(e1,e2) & a_overcast(s1) & a_out(s2) & Theme(s1,x6) & Manner(e2,s2) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(subset_of(x3,x1) & subset_of(x2,x1) & n_woman(x3) & n_man(x2) & exists x4.(n_couple(x4) & (x1 = x4)))