Two persons repairing their bicycle.
There is a man and a boy repairing a bicycle.
the two persons may or may not be a man and a boy
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_repair(e1) & n_bicycle(x2) & of(x2,x1) & n_thing(x1) & n_person(x1) & card_eq_2(x1))
exists p1 x1 e1 x2 x3 x4 x5 x6.((x1 = x2) & subset_of(x4,x2) & Theme(e1,x6) & Actor(e1,x5) & v_repair(e1) & n_bicycle(x6) & (x4 = x5) & n_boy(x4) & subset_of(x3,x2) & n_man(x3))