Statement: "I want to present a book on techniques of yoga to Ajay on his birthday."- A tells B.
Assumptions:
1. A will be invited by Ajay on his birthday.
2. The person, to whom the book is to be presented, is not keeping good health.
3. Book is an acceptable gift for birthday
Answer: C
Since A has decided to gift a book to Ajay on his birthday, it is quite evident that he will be invited by Ajay and that a book is an acceptable gift. So, both I and III are implicit. Nothing about the state of health of the person can be deduced from the statement. So, II is not implicit