Lois and Benjamin Own a Chalet in New Mexico and Rented

Lois and Benjamin own a chalet in New Mexico and rented it for 12 days for $6,000.The rest of the year,the chalet was used by them and their friends and family.What is the proper tax treatment of the $6,000 income?

A) the amount should be reported as other income.
B) none of the rental income needs to be reported as part of gross income.
C) the amount should be reported on Schedule C.
D) the amount should be reported on Schedule E.