premise: A man in a small kayak is floating down the river.
hypothesis: A man is waiting in traffic.
explanation_1: The man cannot be waiting in traffic and floating down the river.
explanation_2: You cannot be in a river and in traffic at the same time.
explanation_3: The man is either floating down the river or waiting in traffic. A man waiting in traffic would not be in a kayak.
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 e1 x1 x2.(in(e1,x2) & n_traffic(x2) & Actor(e1,x1) & v_wait(e1) & n_man(x1))