premise: A man with a mustache is playing ice hockey with snow in the background.
hypothesis: People are swimming in the lake.
explanation_1: There is either a man or there are people.  One cannot play ice hockey with snow in the background and swim in a lake at the same time.
explanation_2: playing ice hockey and swimming are different play games.
explanation_3: People implies more than just a single man.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & with(e1,x5) & in(x5,x6) & n_snow(x5) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_hockey(x3) & of(x3,x4) & n_ice(x4) & with(x1,x2) & n_mustache(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_lake(x2) & in(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_people(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6.(with(x1,x2) & with(e1,x5) & v_play(e1) & of(x3,x4) & n_snow(x5) & n_mustache(x2) & n_man(x1) & n_ice(x4) & n_hockey(x3) & n_background(x6) & in(x5,x6) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_swim(e1) & n_people(x1) & n_lake(x2) & in(e1,x2) & Actor(e1,x1))