A young boy is watching the view from a tall building.
A young girl is watching the view from a tall building.
a young boy cannot be a young girl because different sexes.
exists e1 s1 s2 x1 x2 x3.(n_view(x2) & from(e1,x3) & n_building(x3) & a_tall(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3.(n_view(x2) & from(e1,x3) & n_building(x3) & a_tall(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))