premise: A man in a small kayak is floating down the river.
hypothesis: A man got lost on his boating trip.
explanation_1: Floating down a river doesn't mean the man is lost.
explanation_2: You can not infer he got lost.
explanation_3: Floating down the river doesn't imply being lost.
premise_logic: exists e1 s1 s2 x1 x2 x3.(n_river(x3) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_float(e1) & in(x1,x2) & n_kayak(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e3 e1 p1 x1 x2.(exists e2.(on(e2,x2) & Theme(e2,x1) & v_lose(e2)) & n_trip(x2) & Actor(e3,x2) & v_boat(e3) & of(x2,x1) & n_male(x1) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_man(x1))