The orange that you ate was rotten
You walk into the school wondering what you should eat as a snack. You walk past many healthy and unhealthy snacks. But now you have to choose of what kind you want. Students attending schools with vending machines face this problem everyday: healthy or unhealthy. In my opinion, schools should offer healthy vending machines because students would have a healthier snack choice, it would lower obesity rates, and students would be able to realize of what is a better choice of food for their body.
<span>The only place for the topic sentence is in the beginning as its purpose is to attract readers so that they would like to read a work till the end. So, to answer your question, the topic sentence should never be in the last lines, where the conclusion <span>of the whole work is written.</span></span>