A skateboarder examines the Hollywood Walk of Fame.
A person working hard.
There can be either a skateboarder or a person working hard.
exists e1 x1 x2 x3 x4.(ne_org_fame(x4) & ne_org_walk(x2) & (x2 = x3) & ne_org_hollywood(x3) & Theme(e1,x2) & Actor(e1,x1) & v_examine(e1) & of(x2,x4) & n_skateboarder(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_hard(s1) & Manner(e1,s1) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_person(x1))