What problems was John Dulop trying to solve? What was the solution?

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

a. she is a young, beautiful woman who deeply cares about her husband.

is correct

c should be the correct answer