Answer:
You could add a conflict to make the story more interesting. For example, maybe the guy who finds a winning lottery ticket finds it on the ground, but then finds out who it really belongs to, and has to make a choice; whether he should keep it or take it to its rightful owner.
Something like that will really spice up the plot.
What topics did you pick and I can write it for you
It is but you would need to add a little more detail because the teacher will say oh yeah I know they are full of sugar and calories but what else look up some information to help you hope this helps