A woman and a child are walking past a tree and a building.
a woman and her child are on a motorcycle
The woman and child cannot be walking and riding a motorcycle at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(past(e1,x4) & subset_of(x6,x4) & n_building(x6) & subset_of(x5,x4) & n_tree(x5) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & n_child(x3) & subset_of(x2,x1) & n_woman(x2))
exists p1 x1 x2 x3.(exists x4.(on(x1,x4) & n_motorcycle(x4)) & subset_of(x3,x1) & n_child(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_woman(x2))