It is important to have very slow development character building and not rush the main plot but slowly build the story arc.  Write the first 500 words of a 1000-word short story.  Write a story in prose with funny dialogue about a brother and sister arguing like siblings.  NAME_1 comes into NAME_2' room looking for a place to hide from their mother so she can avoid doing chores.  NAME_2 suggests she should hide under his bed, but it is too dirty.  NAME_1 bickers with NAME_2 that he should clean his room.  NAME_1 decides to hide under the bed covers but says this is a terrible hiding place and mom will know she is there.  NAME_2 agrees to get in bed and pretend to be resting so NAME_1 want be as noticeable underneath the covers.  Mom, who is funny and ditzy, walks into the room kindly asking if NAME_2 has seen his sister and ask why he is in bed.  NAME_2 says he is taking a nap after playing too many video games and that he hasn't seen NAME_1.  Mom doesn't notice NAME_1 hiding under the covers.  NAME_2 is secretly infatuated with his sister, but NAME_1 is clueless and naive.  make them quarrel like siblings but also have sexual tension. Please answer in JSON format.
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