Annie believed that <span>Patience and Words would be the key to Helens sucess.
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All; renames "Laura, Lisa, Lynn"
<span>A. When is not answered.
(You could also argue that E: Where is not answered, although it is implied that it will be done nationally)
The sentence tells Who: The National Cereal Corporation, What: a free picture book, Where: Nationally, and Why: to promote reading</span>