A happy girl in a forest with leaves falling from a tree.
A girl is having a fall photo shoot.
Leaves fall from trees during times of the year other than fall for several reasons such as disease or insects.  The occasion for the girl being in the forest could be something other than a photo shoot.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & with(x2,x3) & from(e1,x5) & n_tree(x5) & Actor(e1,x4) & v_fall(e1) & (x3 = x4) & n_leaf(x3) & n_forest(x2) & n_girl(x1) & a_happy(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_shoot(x2) & of(x2,x4) & n_photo(x4) & of(x2,x3) & n_fall(x3) & n_girl(x1))