Answer: This public service announcement is trying to persuade people to wear seat belts.
Explanation: In this public service announcement, <u>a seat belt is conceived as a good friend since it is capable of protecting people</u>. Therefore, the announcement is highlighting a positive aspect of wearing seat belts. The last sentence (and more specifically the clause "they are supposed to wear seat belts") is the one that mainly shows the main purpose of this announcement: persuading people to wear seat belts.
: I don’t see the poem could you tell me please
:
I'm not sure but here's the definition of Parallel Structure. ( Using the same pattern of words to show that two or more ideas have the same level of importance). You can go with either the first or second sentence that's my opinion but I'm really not 100% sure. Sorry I couldn't been more helpful. I tried