People are sitting at a park under flowering trees.
There are trees at the park.
Flowering trees are trees.
exists e1 e2 x1 x2 x3.(under(e1,x3) & n_tree(x3) & Actor(e2,x3) & v_flower(e2) & at(e1,x2) & n_park(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists p1 x1 x3.(n_park(x3) & exists x2.((x1 = x2) & at(x2,x3) & n_tree(x2)))