premise: Man and woman rowing on surfboards third rower in distance.
hypothesis: Couple going fishing.
explanation_1: A couple cannot go fishing while rowing surfboards.
explanation_2: If a couple is fishing, they would not be doing so while rowing on surfboards, as these are separate activities.
explanation_3: Rowing on surfboards is a different activity than fishing.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & in(e1,x6) & n_distance(x6) & on(e1,x4) & n_rower(x4) & a_third(s2) & Theme(s2,x4) & of(x4,x5) & n_surfboard(x5) & Actor(e1,x3) & v_row(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_go(e1) & n_fishing(x3) & (x1 = x2) & n_couple(x1))
premise_sim: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(v_row(e1) & subset_of(x2,s1) & subset_of(x1,s1) & on(e1,x4) & of(x4,x5) & n_woman(x2) & n_surfboard(x5) & n_rower(x4) & n_man(x1) & n_distance(x6) & in(e1,x6) & a_topic(s1) & a_third(s2) & Theme(s2,x4) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2 x3.(v_go(e1) & n_fishing(x3) & n_couple(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))