Sarah squirmed awake, at the sound of her alarm clock. From the look of the sunbeams shining through her window, it looked like it was going to be a very sunny day.
After turning off her alarm, she saw a small rock sitting on her dressing table, along with a note. The handwriting on the note was messy (like someone wrote it in a hurry), but still readable:
This stone grants wishes! Try it!
She stood up from her bed and got a closer look at it, thinking that it was someone's idea of a joke. Wish-granting stones? That was ridiculous.
She picked it up and (not believing anything would happen) said "I wish ..."