A construction worker hammering a nail on a house.
A construction worker digging a hole for a new bridge tress.
A construction worker cannot be hammering a nail and digging a hole simultaneously.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_hammer(e1) & on(x4,x5) & n_house(x5) & n_nail(x4) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_dig(e1) & for(x4,x5) & n_tress(x5) & of(x5,x6) & n_bridge(x6) & a_new(s1) & Theme(s1,x5) & n_hole(x4) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))