A restrictive clause is not preceded by a comma and it is making a clear distinction about the subject in the sentence.
That is the reason why, the only sentence that includes a restrictive clause is the third one, in order: "The ceramic cups Birgit bought at the garage sale are al chipped."
United States presidents contribute to Thanksgiving traditions by taking place in an event called the Turkey Pardon every year.
"Give Me Liberty or Give Me Death!"
Someone that doesn't want/condone violence is called a pacifist.
One example I'm thinking of right now is a majority of Europe after WW1, as the devastation caused was devastating.
Joyous, joyful. Remember it's in the context of the sentence that their voices are 'blithe'.