Need help needs to be 5-7 sentences

If I could choose any gift in the whole world to give to every single child, it would be happiness. I would give happiness because it's the one thing everyone wants to have. Not every kid wants a PlayStation or a barbie doll. No toy or any amount of money can make every child in the world happy. Happiness means something different to everyone. You can't give someone something that makes them happy and then give someone else the same thing and expect the same reaction. So if I could choose anything to give to every child in the whole world, it would be happiness.

go to google if u want the answer

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.