Statement: In order to reduce the adverse effect of nature on the society one has to be aware, remain alert and find solutions to fight back. Assumptions: I. Awareness and alertness will help to reduce the adverse effect of nature. II. There are possible solutions to fight against the adverse effect of nature.

• if only assumption I is implicit.
• if only assumption II is implicit.
• if either I or II is implicit.
• if neither I nor II is implicit.