Read the following paragraph and find the topic sentence
We live in a rich and complex community in which everyone is dependent upon everyone else. To take a simple example, the young infant is entirely dependent upon his or her mother. But in order to feed, to clothe, and to provide medicines for her child, the mother is of course dependent upon a whole network of other people . If there is anyone who lives in a completely independent manner, we must say that such a person is an exceptionally rare and unusual phenomenon. However, some few people do declare that they rely on no one. They prefer a view of the world in which each individual is selfishly after their own interests. At best, such a view is ignorant and mistaken; at worst it shows that they are lack of kindness
Topic Sentence: _____