A man and woman are having a conversation while sitting on a tree stump in the woods.
The stump is from a redwood.
People can sit on tree stumps of trees other than a redwood tree.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_wood(x7) & while(e1,e2) & in(e2,x7) & on(e2,x5) & n_stump(x5) & of(x5,x6) & n_tree(x6) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x4) & Actor(e1,x1) & v_have(e1) & n_conversation(x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1.(n_stump(x1) & exists x2.(from(x1,x2) & n_redwood(x2)))