Two men skateboarding in the forest.
Two girls are in a treehouse.
When the two men skateboarding forest in a tree house.
exists e1 x1 x2 x3.(n_forest(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_skateboard(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_treehouse(x2)) & n_girl(x1) & card_eq_2(x1))