A person is walking through a snow covered street at night.
A person is sitting in the grass during the day.
The person is either walking through a snow covered street at night, or sitting in the grass during the day.
exists e2 e1 x1 x2 x3 x4.(at(e1,x4) & n_night(x4) & through(e1,x2) & n_street(x2) & Theme(e2,x2) & v_cover(e2) & of(x2,x3) & n_snow(x3) & Actor(e1,x1) & v_walk(e1) & n_person(x1))
exists e1 x1 x2 x3.(n_day(x3) & n_grass(x2) & during(e1,x3) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1))