The boy is jumping in the woods.
The boy is cutting down the tree with a saw.
A boy jumping cannot be cutting the tree
exists e1 x1 x2.(n_wood(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_jump(e1))
exists e1 s1 x1 x2 x3.(n_tree(x2) & n_boy(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_cut(e1) & with(x2,x3) & n_saw(x3))