Statement: An advertisement: If you want to follow the footprints of an ideal leader, wear 'X' brand of shoes.
Assumptions:
1. Most people like to become ideal leaders.
2. One can't become ideal leader unless one wears X brand of shoes.
Answer: A
Clearly, the advertisement mentioned here is merely a catchy slogan, and attempt has been made to touch the deep desire of the masses to draw their attention towards the product. So, only I is implicit.