A man pumping gas at a gas station.
A man is getting gas before work.
The man pumping gas may not necessarily be getting gas; he might be the attendant.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x4) & n_station(x4) & of(x4,x5) & n_gas(x5) & Theme(e1,x3) & Actor(e1,x2) & v_pump(e1) & n_gas(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(before(e1,x3) & n_work(x3) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_gas(x2) & n_man(x1))