premise: A young man throws something in the water.
hypothesis: The man is littering.
explanation_1: Fish food may be thrown in water, so anything  that is thrown in water is not littering.
premise_logic: exists e1 s1 x1 x2 x3.(n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & in(x2,x3) & n_thing(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_litter(e1))
premise_sim: exists e1 s1 x1 x2 x3.(v_throw(e1) & n_water(x3) & n_thing(x2) & n_man(x1) & in(x2,x3) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_litter(e1) & n_man(x1) & Actor(e1,x1))