There is a construction site with a backhoe and a man with a shovel.
A young man in a black shirt holds a shovel at a construction site.
Not all man are young, the man could be old.
exists p1 x1 x2 x3 x4 x5 x6 x7.((x1 = x2) & with(x2,x4) & subset_of(x6,x4) & with(x6,x7) & n_shovel(x7) & n_man(x6) & subset_of(x5,x4) & n_backhoe(x5) & n_site(x2) & of(x2,x3) & n_construction(x3))
exists e1 s1 s2 x1 x2 x3 x4 x5.(at(e1,x4) & n_site(x4) & of(x4,x5) & n_construction(x5) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_shovel(x3) & in(x1,x2) & n_shirt(x2) & a_black(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))