Statement: I cannot contact you on phone from Karshik.
Assumptions:
1. Telephone facility is not available at Karshik.
2. Nowadays it is difficult to contact on phone.
Answer: A
The statement indicates the impossibility of phone contact from Karshik. Thus, the fact in I may be assumed from the given statement. So, I is implicit However, II indicates difficulty, not the impossibility of contact as is indicated in the statement. So, II is not implicit.