Man and woman are in front of Subway restaurant.
A couple is in front of a Subway.
A man and a woman do not have to be a couple.  A Subway does not have to be a restaurant.
exists p1 x1 x2 x3.(exists x4 x5 x6.(in(x1,x4) & of(x4,x5) & n_restaurant(x5) & (x5 = x6) & ne_org_subway(x6) & n_front(x4)) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & of(x2,x3) & n_subway(x3) & n_front(x2)) & n_couple(x1))