Call the builder and discuss your situation with them. Based on your circumstances, they may release you from this clause. Many builders provided those clauses in most cases to prevent owner's from flipping their home, (this was to reduce investor purchases, and the investors capitalizing on the builder's increase in the community values, and to cut down on the community sales competition).
You could consult an attorney's advice to see if renting is an option, all will depend on how your contract is worded, and that is where attorney's are the experts.
I have referenced RGS Title, you may be able to reach a real estate attorney through one of their offices.