Please help need answer.

           By the picture,  it is observed that the man is working hard for his family and he is working in a sandy area. By the picture, The clothes of the man had cleared that he belongs to a poor family. The man is looking tired because he has been working since morning.

dude, * is in your own words, not mine.

* = 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.