Two people working on a bicycle in a confined space.
Two people are fixing up a bicycle for a customer.
Two people working on a bicycle are not necessarily fixing up a bicycle and not necessarily for a customer.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_space(x4) & a_confined(s1) & Theme(s1,x4) & on(e1,x3) & n_bicycle(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & for(x2,x3) & n_customer(x3) & n_bicycle(x2) & n_people(x1) & card_eq_2(x1))