Bob are a college student. Today, writing papers with word processors are much easier. Today, writing is much easier. Changing the sentence in this manner, however, changes the meaning.
Word processors make writing papers much easier.
The woman who made those cakes is our next-door neighbor. The dog and cat seem to be good friends. Either John or Karen is available to answer your questions this afternoon. Neither the zoo keeper nor the police were able to find the missing boa constrictor. A number of companies are hiring Y2K specialists.