Statement: An advertisement in a newspaper - "Wanted unmarried, presentable, matriculate girls between 18 and 21, able to speak fluently in English to be taken as models."
Assumptions:
1. Fluency in English is a pre-requisite for good performance as a model.
2. Height does not matter in performing as a model.
Answer: A
'Fluency in English' is a condition mentioned for girls to be taken as models. So, I is implicit. Since nothing is mentioned about the height, so II is not implicit.