The phrase structure grammar trees are the a-trees on the left, and the dependency grammar trees are the b-trees on the right. Both types of analysis show a relatively flat structure insofar as the material in bold consists of two separate sister constituents. The object/subject pronouns are shown as dependents of the matrix verb each time. The two do NOT form a single constituent with the predicates to their right. The alternative, more layered analysis of these sentences might be as follows: