Statement: Use 'X' brand shoes. These are durable and available in all sizes. - An advertisement in the newspaper A.
Assumptions:
1. Normally people like durable shoes.
2. Very few people read advertisement in a newspaper.
3. Very few people read the newspaper A
Answer: E
Any advertisement highlights only the desirable qualities of the product. So, I is implicit. The 'X' brand has advertised its product in newspaper A. This implies that a large section of people reads advertisements in newspapers and that newspaper A too has a wide circulation. So, neither II nor III is implicit.