person skateboarding on street wearing equipment
A man laying down on a couch.
A person on a skateboard can't be laying down at the same time.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_equipment(x3) & Actor(e2,x3) & v_wear(e2) & of(x3,x4) & n_street(x4) & Actor(e1,x2) & v_skateboard(e1) & (x1 = x2) & n_person(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & on(e1,x3) & n_couch(x3) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_man(x1))