Statement: "You are hereby appointed as a programmer with a probation period of one year and your performance will be reviewed at the end of the period for confirmation." - A line in an appointment letter.
I. The performance of an individual generally is not known at the time of appointment offer.
II. Generally an individual tries to prove his worth in the probation period.
The performance of the individual has to be tested over a span of time as the statement mentions. So, I is implicit. The statement mentions that the individual's worth shall be reviewed (during probation period) before confirmation. So, II is also implicit.
Statement: The State government has decided to appoint four thousand primary school teachers during the next financial year.
I. There are enough schools in the state to accommodate four thousand additional primary school teachers.
II. The eligible candidates may not be interested to apply as the government may not finally appoint such a large number of primary school teachers.
None is implicit. Assumption I is a mere twisted form of the given statement.Smoking is injurious. It means that non-smoking is not injurious. And that's it. It doesn't mean that non-smoking promotes health. II obviously is just the opposite of what is true. Public warnings are given only when they are assumed to be necessary.