R.I. Gen. Laws § 34-28-20: Persons entitled to contest claims.

Every defendant to any complaint and every person claiming to have a lien under § 34-28-1, 34-28-2 or 34-28-3 on the property described therein or on any part thereof, and every person claiming an interest therein by title, claim, lease, mortgage, attachment, or other lien or encumbrance, may contest the right of the plaintiff and of all others claiming a lien under this chapter to the property or any part thereof to any lien, as well as the amount of the claim.