There are many types of rain, and they all create a different mood. Spring rain on fields and flowers can feel refreshing. On the other hand, a cold, steady rain in the middle of
winter can make you feel a little sad. A thunderstorm might feel frightening, or it might
feel exciting. All types of rain are necessary to water the earth's grasses and plants. No
matter where you are, you can use the mood created by rain as an inspiration to start
writing.

write the sentence that is the topic sentence of the paragraph.