Three motorcycles with people on them going either shopping or to work.
Three woman bikers are going shopping or heading to work.
Just because there are three motorcycles with people doesn't mean the people are woman bikers.
exists x1 x2.(a_topic(x1) & with(x1,x2) & (all x3.(n_shopping(x3) -> exists e1 x4.(Time(e1,x3) & Actor(e1,x4) & v_go(e1) & (x2 = x4))) | exists e2 x5 x6.(to(e2,x6) & n_work(x6) & Actor(e2,x5) & v_go(e2) & (x2 = x5))) & on(x2,x1) & n_thing(x1) & n_people(x2) & n_motorcycle(x1) & card_eq_3(x1))
(exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_go(e1) & n_shopping(x3) & n_biker(x1) & of(x1,x2) & n_woman(x2) & card_eq_3(x1)) | exists e2 p1 x4 x5 x6 x7.(Topic(e2,p1) & exists e3.(Actor(e3,x4) & v_work(e3)) & Actor(e2,x6) & v_head(e2) & n_biker(x6) & of(x6,x7) & n_woman(x7) & card_eq_3(x6) & n_biker(x4) & of(x4,x5) & n_woman(x5) & card_eq_3(x4)))