A man in a leather coat looking into the restaurant watching 2 girls.
The family is ready for dinner
A  man watching two girls does not imply they are a family. Just because a man is looking into a restaurant looking at two girls does not mean they are ready for dinner.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(n_restaurant(x5) & a_topic(x1) & in(x1,x2) & into(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_watch(e2) & n_girl(x7) & n_date(x7) & a_date_day_02(x7) & a_date_day_02(x7) & (x5 = x6) & Actor(e1,x4) & v_look(e1) & (x2 = x4) & n_coat(x2) & of(x2,x3) & n_leather(x3) & n_man(x1))
exists s1 x1 x2.(n_family(x1) & for(s1,x2) & n_dinner(x2) & Theme(s1,x1) & a_ready(s1))