Two bicyclists are mending a bicycle on the sidewalk at night.
Two bicyclists are working on a bike.
Two bicyclists are working on a bike refers that bicycle on the sidewalk at night.
exists e1 x1 x2 x3 x4.(n_sidewalk(x3) & at(e1,x4) & n_night(x4) & Theme(e1,x2) & Actor(e1,x1) & v_mend(e1) & on(x2,x3) & n_bicycle(x2) & n_bicyclist(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_bike(x2) & Actor(e1,x1) & v_work(e1) & n_bicyclist(x1) & card_eq_2(x1))