What is the purpose of a position paper?

Astudent wants to replace the underlined word to make the meaning more precise. which phrase would be the best replacement for the underlined phrase ?

Which of the following sentences most clearly uses topical organization? a. do you have problems with mosquitoes and gnats? fabulous exterminators can ! b. we've gathered at this conference to discuss three things: poverty, war, and disease. c. killer bees have spread up from south america into mexico and the united states. d. first, gather all the painting supplies you need. next, lay them out on a work bench.

Ineed ,someone me on this and my other questions