A man walks though an arch.
A man strolls through the architecture of the cathedral.
The arch that the man strolls through isn't necessarily the architecture of a cathedral.
exists e1 x1 x2 x3.(a_topic(x1) & though(x1,x3) & n_arch(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_cathedral(x3) & n_architecture(x2) & through(e1,x2) & of(x2,x3) & Actor(e1,x1) & v_stroll(e1) & n_man(x1))