The first sentence of a story doesn't have a special name -- it's just the first sentence.
There once was...
What is the first sentence to alternate penguins
Yes. A very fictional story.
Yes it is a fictional story.
What is the first sentence to alternate penguins
What is the first sentence to alternate penguins
No
Whatever you want it to be -- you're the writer! The best way to come up with the perfect first sentence is not to worry about it at first. Just write the story with any old sentence as the starter. Then, when you've finished the story, the perfect sentence will come to you based on what you have written.
No, creative writing does not have to be fictional.
What is the first sentence to alternate penguins
A fictional novel is a lengthy story.
yes it does have to be fictional