People are buying coffee out of the back of a yellow truck.
Men are buying coffee on their break.
Even though the men are buying coffee, they may not be on their break.
exists e1 s1 x1 x2 x3 x4.(n_back(x3) & of(e1,x3) & of(x3,x4) & n_truck(x4) & a_yellow(s1) & Theme(s1,x4) & r_out(e1) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_coffee(x2) & n_people(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_break(x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_coffee(x2) & n_man(x1))