A man runs through the snow with the aid of snowshoes.
The man is sitting on the beach on a summer day.
A person cannot be sitting on the beach and running through the snow.
exists e1 x1 x2 x3 x4.(n_aid(x3) & n_snow(x2) & with(e1,x3) & of(x3,x4) & n_snowsho(x4) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_beach(x2) & n_man(x1) & on(e1,x3) & n_day(x3) & of(x3,x4) & n_summer(x4) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))