Select the Correctly Punctuated Sentence

Which of the following sentences is correctly punctuated?

A. I want to write my research paper, on cyberbullying or homelessness.
B. I want to write my research paper on cyberbullying or homelessness.
C. I want to write my research paper on cyberbullying, or homelessness.

Correctly Punctuated Sentence:

The correctly punctuated sentence is: 'I want to write my research paper on cyberbullying or homelessness'.

The correct sentence is B. I want to write my research paper on cyberbullying or homelessness. This sentence follows the proper grammar rules as it uses the correct punctuation. The sentence structure implies that the writer is choosing between two subjects for a research paper - cyberbullying or homelessness. There is no need for additional punctuation such as a comma as the two potential subjects (cyberbullying and homelessness) are directly related to the verb ('write') that precedes them. In contrast, sentence A and C are incorrectly punctuated as they cause unnecessary pause in the sentence flow.