A young overlooks a city street from a balcony.
A person is waiting for their friend.
Overlooking a city doesn't mean they are waiting for a friend.
all x1 x2.((n_street(x1) & of(x1,x2) & n_city(x2)) -> exists s1 x3 x4.(a_topic(x3) & from(x3,x4) & n_balcony(x4) & for(x3,x1) & n_overlook(x3) & a_young(s1) & Theme(s1,x3)))
exists e1 x1 x2.(for(e1,x2) & n_friend(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_wait(e1) & n_person(x1))