A young girl stares up at a smiling clown.
A child at school.
A smiling clown is generally not present at school, so the same girl cannot be staring up at the clown while also at school
exists e2 e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & at(e1,x2) & n_clown(x2) & Actor(e2,x2) & v_smile(e2) & Actor(e1,x1) & v_stare(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists x1 x2.(a_topic(x1) & at(x1,x2) & n_school(x2) & n_child(x1))