We are required to choose an advertisment and analyze the advertisment, starting with introduction, the advertisment, target audience (social economics), the message from the advertisment, semiotics...

We are required to choose an advertisment and analyze the advertisment, starting with introduction, the advertisment, target audience (social economics), the message from the advertisment, semiotics element, theories (reception theory or something else, dominant, negotiated, oppositional) Hypodermic Needle theory, Soft sell, and conclusions. the advertisment chosen on my side, is science diet's (pet food) youthful vitality, at this stage - youtube. i have written 700 words, of introductions and the message but i have no clue of what to write the next 1300 words. Harvard style, 2000 words,