Two people picking up trash on the side of the road.
Two people are picking up trash as part of their community service.
People can pick up trash for something other than community service.
exists e1 s1 x1 x2 x3 x4 x5.(n_road(x5) & n_side(x4) & a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_pick(e1) & on(x3,x4) & of(x4,x5) & n_trash(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5.(as(e1,x3) & of(x3,x4) & n_service(x4) & of(x4,x5) & n_community(x5) & of(x4,x1) & n_thing(x1) & n_part(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_trash(x2) & n_people(x1) & card_eq_2(x1))