A group of people getting ready to rollerskate
People are walking along the beach.
A group of people will not be ready to roller skate if they are walking along the beach.
exists e1 p1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & exists p2 s1.(Topic(s1,p2) & Actor(s1,x3) & a_ready(s1) & exists e2.(Actor(e2,x3) & v_rollerskate(e2))) & Topic(e1,p1) & Actor(e1,x3) & v_get(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_beach(x2) & along(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))