Some teenagers smile from an outdoor table.
The girls were happy at the table.
Not all the people that are happy smile
exists e1 s1 x1 x2.(from(e1,x2) & n_table(x2) & a_outdoor(s1) & Theme(s1,x2) & Actor(e1,x1) & v_smile(e1) & n_teenager(x1))
exists s1 x1 x2.(n_table(x2) & n_girl(x1) & at(s1,x2) & Theme(s1,x1) & a_happy(s1))