A man cleans a strange device in the middle of a busy urban setting.
A man cleans something strange in front of his apartment.
Just because the man is in a busy urban setting, does not mean that he is at an apartment.
exists e1 s1 s2 s3 x1 x2 x3 x4.(n_middle(x3) & in(e1,x3) & of(x3,x4) & n_setting(x4) & a_urban(s3) & Theme(s3,x4) & a_busy(s2) & Theme(s2,x4) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_device(x2) & a_strange(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_apartment(x5) & of(x5,x1) & n_male(x1) & n_front(x4) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & Theme(s1,x3) & a_strange(s1) & (x2 = x3) & n_thing(x2) & n_man(x1))