A boy with a guitar sleeps next to a concrete structure.
The boy is sleeping next to a statue of Abraham Lincoln.
just because a boy  sleeps next to a concrete structure doesn't mean it a statue of Abraham Lincoln.
exists e1 p1 x1 x2.(exists s1 s2 x3.(to(s1,x3) & n_structure(x3) & a_concrete(s2) & Theme(s2,x3) & Theme(s1,x1) & a_next(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sleep(e1) & with(x1,x2) & n_guitar(x2) & n_boy(x1))
exists e1 x1 x2 x3 x4.(ne_geo_lincoln(x3) & (x3 = x4) & ne_geo_abraham(x4) & n_boy(x1) & to(e1,x2) & of(x2,x3) & n_statue(x2) & r_next(e1) & Actor(e1,x1) & v_sleep(e1))