Given scene/plot descriptions from movies or TV shows, and given a specific question about the scene, summarize the question into a title

In Season 3 Episode 6 Sansa is dragged all across the story, for who she's supposed to marry. I don't quite understand why she's so important. Because there is her brother Rob, who is the King of the North and Lord of Winterfell. And if he fell wouldn't all of that go to Bran (although he may or may not be alive according to their knowledge)?
Why is Sansa Stark so important?

What happened to Eli and Oskar? Someone says that in the book they mix blood, and Oskar becomes a vampire. Can anyone confirm this? & also was Eli a boy or a girl?
What happened to Eli and Oskar in Let the right one in?

Is B Movie a genre of it's own? Are there requirements that get a movie thrown into that category or do the producers specifically set out to make it a B movie?  Netflex will list B horror as one of the genres and I know there is a cult following of B movies.

Is B Movie a genre?

