Multi-select problem: How does the next paragraph end?

How to do creative writing with a friend
Choose your collaborator wisely.
Your reason for writing together should be that each of you brings something to the project that the other could not. If you're writing a space romance and one of you provides the knowledge of astronomical distances and rocket propulsion systems while the other provides the knowledge of human interaction, you probably have the makings of a good partnership.

OPTIONS: a). But if one party feels up to completing the work before the other, they'll reach out to each other for the assistance. Make sure that your collaborator is clear, however.; b). Accordingly, you can create collaborative creativity with a partner. Here's what to do: if you don't have a partner, consider spending some time at a book store selling a manuscript or two together.; c). Therefore, any collaboration that focuses too much on one topic can end in disaster. Become sure that your words are accurate.; d). If, however, you have different, and strong, ideas on writing styles, you probably will spend more time arguing over writing than actually doing it. The above assumes you're both new writers.;
d).