Construction is being done on the watery banks of a town.
A machine in the middle of the desert.
a desert and watery banks are not the same.
exists e1 s1 x1 x2 x3.(n_bank(x2) & a_watery(s1) & Theme(s1,x2) & on(e1,x2) & of(x2,x3) & n_town(x3) & Theme(e1,x1) & v_do(e1) & n_construction(x1))
exists x1 x2 x3.(n_desert(x3) & n_middle(x2) & a_topic(x1) & in(x1,x2) & of(x2,x3) & n_machine(x1))