A man in a white shirt is seen down a narrow, brick alley.
The man is in an alley.
If the man is seen in an alley, he is in an alley.
exists e1 s1 s2 s3 x1 x2 x3 x4.(down(e1,x3) & n_alley(x3) & of(x3,x4) & n_brick(x4) & a_,(s3) & Theme(s3,x3) & a_narrow(s2) & Theme(s2,x3) & Theme(e1,x1) & v_see(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(in(x1,x2) & n_alley(x2)))