1.The directions to the film shoot were confusing to me. (The director wrote the directions down. non-restrictive clause)
2The teacher discussed the theft of classroom equipment with the students
. (All of the students suspected Agnes. non-restrictive clause)
3.Writers often explain abstract ideas with metaphors or analogies
. (Both metaphors and analogies compare the topic to a more common idea. non-restrictive clause)
4.The curtain
barely let the light shine through it. (The curtain was thick with dust and grime. non-restrictive clause)