here is your dictation correction:

advertisement is an announcement of a product for a company. Companies use people, music and media to promote the product they wish to sell. They play on emrotions, interests and problems of the age group. A recent example of popular advertising  was for the new game Pokemon GO.

and your homework is to take notes on why you agree or disagree with the following statements:

Commercials would be effective if they were silent

Commercials should not mention prices

Commercials should only use negative emotions