A man laying up against a large concrete complex.
A man leans against a concrete structure.
A concrete complex is a concrete structure.  If one is laying up against something, that implies that one leans against it.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_up(s2) & Manner(e1,s2) & against(e1,x3) & n_complex(x3) & of(x3,x4) & n_concrete(x4) & a_large(s1) & Theme(s1,x3) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(against(e1,x2) & n_structure(x2) & a_concrete(s1) & Theme(s1,x2) & Actor(e1,x1) & v_lean(e1) & n_man(x1))