A skater is jumping in the air over some stairs at night.
A skater is watching tv on his couch.
jumping and watching are different actions
exists e1 x1 x2 x3 x4.(n_air(x2) & at(e1,x4) & n_night(x4) & over(e1,x3) & n_stair(x3) & in(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_skater(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_couch(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tv(x2) & n_skater(x1))