premise: Man and woman rowing on surfboards third rower in distance.
hypothesis: Couple go out for their first surfing session as a couple.
explanation_1: Couples are learning their surfing session
explanation_2: A man and a woman together are not always a couple.   Session implies a lesson being given by the third rower. The third person could just be a friend, not an instructor.
explanation_3: The surfing session isn't necessarily the first one and not man and woman are couple.
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 s1 s2 x1 x2 x3 x4.(as(e1,x4) & n_couple(x4) & for(e1,x2) & n_session(x2) & of(x2,x3) & n_surfing(x3) & a_first(s2) & Theme(s2,x2) & of(x2,x1) & n_thing(x1) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1) & 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 s1 s2 x1 x2 x3 x4.(v_go(e1) & of(x2,x3) & of(x2,x1) & n_thing(x1) & n_surfing(x3) & n_session(x2) & n_couple(x4) & n_couple(x1) & for(e1,x2) & as(e1,x4) & a_out(s1) & a_first(s2) & Theme(s2,x2) & Manner(e1,s1) & Actor(e1,x1))