premise: A man standing up in a rowboat with a bird perched on the boat.
hypothesis: The man is a professional fisherman.
explanation_1: Just because the man is in a rowboat does not mean he is a professional fisherman.
explanation_2: Just because someone is in a rowboat, the person may not necessarily be a fisherman, professional or otherwise.
explanation_3: You can not infer he is a fisherman.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_boat(x6) & a_topic(x1) & with(e1,x4) & on(e2,x6) & Theme(e2,x5) & v_perch(e2) & (x4 = x5) & n_bird(x4) & in(e1,x3) & n_rowboat(x3) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists p1 x1.(n_man(x1) & exists s1 x2.((x1 = x2) & n_fisherman(x2) & a_professional(s1) & Theme(s1,x2)))
premise_sim: exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(with(e1,x4) & v_stand(e1) & v_perch(e2) & on(e2,x6) & n_rowboat(x3) & n_man(x1) & n_boat(x6) & n_bird(x4) & in(e1,x3) & a_up(s1) & a_topic(x1) & Theme(e2,x5) & Manner(e1,s1) & Actor(e1,x2) & (x4 = x5) & (x1 = x2))
hypothesis_sim: exists x1.(n_man(x1) & exists s1 x2.(n_fisherman(x2) & a_professional(s1) & Theme(s1,x2) & (x1 = x2)))