<em>Magic Helper by Hannah Russell is a fairy-tale.</em> The fairy-tales are the fiction in the form of short stories or narratives. Mostly fairy-tales involve the elements which are hard to believe in reality, in other words, supernatural elements.
Like other fairy-tales which helped things to occur in a way which was impossible otherwise. Similarly, in the Magic Helper, it involves genre of fantasy fictions. The magic helper helps other characters solve their problems, which helped to resolve their conflicts and helped the plot to progress.
D. while and however. is your answer
Note:
"<em>On the other hand, seagulls are scavengers, while wild geese aren't.</em>"
"<em>Seagulls will migrate far inland to search for food. However, they don't follow seasonal patterns of migration like wild geese.</em>"
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A MacGuffin is that object in a film which is critical to the characters, but carries insignificant meaning for the audience.
A MacGuffin, a term introduced and widely used by Alfred Hitchcock is some element which drives the plot. The audience is not very concerned with the specifics of it.
Third person omnicient point of view. They can reveal as much as needed and everything you've written.
