I think the sentences that contain a restrictive clause is the 2nd and 4th one.
Strider asks Frodo to allow him to be his guide on his future travels. Strider, aka Aragorn, meets the four Hobbits at the inn, and tells them they should leave soon as Sauron's men are looking for them. None of the Hobbits is willing to believe Strider until Frodo gets a letter from Gandalf saying he can trust Aragorn as he is his friend. He then becomes their guide and takes them to Riverdale where there will be a meeting to discuss the future of the Ring.
Just like social media sites, podcasting has significantly altered the way news is consumed and disseminated today. It helped gave rise to a new breed of reporters—citizen journalists—who have access to news and current affairs that traditional media outlets—beset by their geographical, financial, and technological limitations—cannot. In this article, we’ve taken the liberty to condense how experts view the direction citizen journalism is headed, with support from podcasting.
Maybe because it was part human and part fish ,so it kind of weird