Trees obscure a building to the right.
The building is huge.
Just because trees obscure a building does not mean the building is huge.
exists e1 x1 x2 x3.(n_right(x3) & ne_nam_trees(x1) & to(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_obscure(e1) & n_building(x2))
exists s1 x1.(n_building(x1) & Theme(s1,x1) & a_huge(s1))